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Consumer Support: 087 805 0530   Business Support: 087 805 0500
Connectivity, hosting, voice, messaging and cloud services

frequently asked questions

Q: Do I have to use Telkom as my line provider?

A: No, you can move your line into Vox Telecom's Wholesale Account and we will report your line to Telkom for you as well as provide you with updates on the fault

Q: What SMTP server can I use on a Vox dynamic ADSL account?

A: smtp.voxtelecom.co.za

Q: Does Vox monitor my ADSL Line?

A: No. ADSL is a best effort service

Q: What is the difference between Peak and Off Peak Usage?

A: Peak Time : 06:00 - 18:00 Monday to Friday
Off Peak Time: 18:00 - 06:00 and weekends

Q: How do I adjust my ADSL cap?

A: Log into the Vox Telecom website - you will arrive at the Customer Zone. Click on Services where you will find a variety of options for you to adjust and manage your ADSL/Data Accounts.

Q: How can I view my ADSL usage?

A: You have two options. Option 1 - Log into the Vox Telecom website - you will arrive at the Customer Zone. Click on Data Account where you will find a variety of options for you to view and monitor your usage. Option 2 – Download the Vox App to your phone. Login with your customer zone details, you will be automatically routed to the ADSL screen, where you can view your usage.

Q: How many concurrent connections can you have with a Fatpipe ADSL Solution?

A: 1

Q: What are the basic ADSL router settings?

A:

  • VPI: 8
  • VCI: 35
  • Multiplexing Method: LLC Based/Auto
  • Encapsulation: PPPoE
Q: Why does my ADSL light flash on the router?

A: This might be a problem on the ADSL line and should be reported. Please call our service centre on 087 805 0530 for consumer customers and 087 805 0500 for business customers.

Q: What is my incoming server for hosted exchange?

A: pop2.dotnetwork2.co.za

Q: What is my outgoing server for hosted exchange?

A: mail2.dotnetwork2.co.za

Q: What is ODMR?

A: On Demand Mail Relay system.

Q: What are the incoming and outgoing ports for mail?

A: Incoming is 110 and Outgoing is 25 & 587.

Q: What SMTP server can I use on a Vox dynamic ADSL account?

A: smtp.voxtelecom.co.za

Q: Does my outbound server on hosted exchange require authentication?

A: Yes

Q: Are outbound fax services billable?

A: Yes

Q: Will receiving faxes cost me anything?

A: No, you may receive as many faxes as you wish, and there will be no charge to you for receiving faxes.

Q: Can I receive faxes on any computer?

A: Yes, if you can access your email, you will be able to view your faxes. This can be done anywhere in the world.

Q: Can I forward a received fax to one or more people?

A: You can forward the fax attachment to multiple recipients by sending it as you would normally with any other email.

Q: Do I keep my fax number for life?

A: Yes, provided you receive at least one fax every 90 days. You will receive a warning email prior to the number being reclaimed.

Q: Do I need to install any special software?

A: No, faxes are sent to you as an email attachment as a PDF or TIFF file.

Q: What is web hosting?

A: Web hosting allows you to publish your website. You will need a web hosting service to host your website so that people can view it online. If you’ve never used web hosting before, our support team is available to help you get started.

Q: How do I transfer files to my website?

A: Files must be transferred to the Web server via File Transport Protocol (FTP) or your account's Web-based File Manager.

Q: Will I have unlimited access to update and make changes to my pages?

A: You have unlimited access via FTP and the Web-based File Manager 24 hours per day, 7 days a week. As such, you can create and maintain your Web pages on your own computer and upload files to your website at your leisure.

Q: What is the difference between Linux and Windows web hosting?

A: Linux and Windows are two different operating systems. The operating system that you use on your computer should not determine your choice. For example, if your computer is run by Windows Microsoft, Linux hosting will work just as well as Windows hosting. Deciding between Linux and Windows web hosting depends on your style of web building. If you plan to use PHP, MySQL or Perl together with a range of software programs, Linux is the one for you. Linux web hosting is also suitable for ‘brochure-ware’ sites that offer interaction via enquiry forms, online purchasing and other e-commerce functions. However, if you are looking to incorporate searchable databases and Windows-specific applications such as ASP then choose Windows web hosting.

Q: What are the MTU settings for iBurst?

A: The recommended MTU for iBurst is 1392. For stand alone USB or PCMCIA please set the Dial Up Ras MTU to 1392. Set MTU for VPN to 1364. The correct settings will improve your iBurst perfomance.

Q: What do the iBurst error codes mean?

A:

  • 691: authentication issue (username and password)
  • 728: remote computer did not respond, hardware or port failure
  • 769: the specified destination is not reachable, fault on customer’s pc
  • 676: phone line busy, signal issue
  • 651: drivers not installed
Q: What speeds are available on iBurst ?

A: iBurst offers speeds up to 1MB on both the USB and desktop modem.

Q: Which routers can I use with my iBurst USB modem?

A: The USB modem is only compatible with the Billion 7300 NX router. The desktop modem is compatible with a wireless router that allows LAN and not an ADSL router.

Q: What is the iBurst freezone?

A: The iBurst customer has a midnight to morning free zone between 12 am to 6 am, customers are allowed to download freely without their data being affected.

Q: What is the outgoing mail server for iBurst?

A: Outgoing mail server for iBurst is smtp.iBurst.co.za or smtp.wbs.co.za

Q: Will my unused Mobile Data rollover into the new month ?

A: No, unused data will expire at the end of the month, and new data will be allocated on the 1st of the new month. Please also note that Mobile Data Top-ups will also expire at the end of the month.

Q: What is my outgoing mail server over 3G connection?

A: MTN: mail.mtn.co.za
CellC: mail.cmobile.co.za

Q: How do I reset my APN password?

A: You can send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. for Business Support or dial 087 805 0500 or email This email address is being protected from spambots. You need JavaScript enabled to view it. or call 087 805 0530 for Consumer Support and we will assist accordingly.

Q: What authentication method should I use when connecting with my 3G connection?

A: The authentication should be set to PAP.

Q: What should the APN server name be on my connection?

A: The APN name server will depend on the SIM card's network operator, for Cell C the server name should be voxtelecom.co.za or cellcapn.voxtelecom.co.za, for MTN the server name should be vox.co.za.

Q: Can I send an SMS from my 3G SIM?

A: No, the SIM card is loaded with an SMS inhibitor.

Q: Can I make calls from my 3G SIM?

A: No, the SIM card is loaded with a Voice inhibitor.

Q: Can I use my 3G SIM card in a mobile phone or tablet ?

A: Yes, you can configure the SIM card to work in a mobile phone or tablet.

Q: What will happen when I run out of data?

A: You will be "capped" when your data runs out. You can then either top up your data by logging into the customer zone on voxtelecom.co.za, or wait until your data allocation is renewed on the 1st of the month. Please check your device settings. If your device is set to default to another APN, you may need to ensure that it does not do so to avoid unnecessary charges.

Q: Will my unused Mobile Data rollover into the new month?

A: No, like our DSL bandwidth, unused data will expire at the end of the month, and new data will be allocated on the 1st of the new month. Please also note that Mobile Data Top-ups will also expire at the end of the month.

For YahClick technical questions and answers, go to the YahClick section on this page.

Q: What is VSAT/BettaSat?

A: BettaSat is a reliable, uncapped satellite internet service. Designed for home and small office, as well as larger corporates. BettaSat delivers an affordable Ku-band satellite service anywhere in Southern Africa. Perfect for remote and under-serviced areas, BettaSat offers high speed internet access at a fixed monthly cost. With the advanced iDirect Evolution Satellite Teleport co-located at Vox Telecom’s head office in Johannesburg, you’ll have access to a low latency satellite service that is affordable, wide-reaching, quick to install and highly reliable.

Q: Can VSAT/BettaSat accommodate a Virtual Private Networks (VPN)?

A: Yes. In the current communications environment it is difficult to rely on fixed lines at every branch location. With cables being stolen and the cost of obtaining a connection in a remote location satellite becomes a cost effective solution. Through our Satellite networks, our clients can develop their own secure Wide Area Networks (WAN) using secure link encryption such as AES or 3DES, and the latest Cisco technology.

There are applications for which latency is critical. This is the case where central database applications are being used. An example of this would be where a central stock system is being run on an Oracle database. All branches have to connect to the head office database to query and update stock levels. A typical star network would mean a connection from the branch to the hub and then from the hub to head office. This means there is a double satellite hop resulting in latency of 1200-1300 milliseconds. Database applications struggle to perform efficiently with such long delays. Logical Wireless has a Point to Point connectivity solution where you bypass the hub and create a connection directly from the branch to head office. This results in one satellite hop, therefore substantially reducing latency.

Q: Can I run Voice Over IP (VOIP) over VSAT/BettaSat?

A: Yes. Vox Telecom can provide a VOIP handset with a VSAT installation or can set up a complete PBX solution to cater for multiple users and concurrent calls. This will allows telephone calls to anywhere in the world. The call costs of these calls are less expensive than local telecom operators and calls within our network are free. In order to make a voice call there is a minimum guaranteed bandwidth of 20kbps up and down. It is essential to take this into account when selecting your bandwidth package. Please feel free to phone our sales team who can advise you on the bandwidth that will suit your requirements.

Q: Can I do Video Conferencing over VSAT/BettaSat?

A: Yes. Video conferencing to any remote site in Africa is possible. This allows businesses in South Africa to conduct a meeting through video technology to a remote site, without travel costs needing to be incurred.One will need to investigate bandwidth requirements for each Video solution as the quality of service is important.

Q: Can Point-to-Point VSAT Connectivity be implemented?

A: Yes. This allows one or more sites to connect directly to another, thus eliminating any third party teleport involvement. The sites are therefore linked directly to one another through one satellite hop, thus substantially, which greatly improves the transfer of data. This type of connectivity is especially efficient when creating a VPN and using time sensitive software applications, i.e. where latency is critical.

Q: What is VoIP?

A: VoIP is an acronym for Voice Over Internet Protocol, or in more common terms phone service over the Internet. If you have a reasonable quality Internet connection you can get phone service delivered through your Internet connection instead of from your local phone company.

Q: If my internet connection is down, will my VoIP be affected?

A: If you are using the same connection for Data and VoIP, it will be affected.

Q: What do I do if I am experiencing bad call quality?

A: Contact our Service Centre – Business Support 087 805 0500 or Consumer Support 087 805 0530 and we will assist accordingly: Try and have the following information ready, as it will help to expedite the resolution of the issue experienced.

  • Is it inbound or outbound?
  • Sample numbers of calls experiencing bad call quality
Q: Can I dial International numbers on Vox VoIP solutions?

A: Depending on your setup you can dial international numbers, however if you get the following errors you need to send an email to support for assistance. For consumer support - This email address is being protected from spambots. You need JavaScript enabled to view it. and Business Support - This email address is being protected from spambots. You need JavaScript enabled to view it. :

  • The number you have dialled is not covered by your tariff plan
  • Calls to this Premium number/destination is not allowed
  • When logging your ticket with support, please include the number you are trying to dial as well as the error
Q: Can I set up a forwarding on my Vox VoIP number to another provider?

A: Yes you can by logging into the customer zone and managing your call forwarding. Or contact our support centre This email address is being protected from spambots. You need JavaScript enabled to view it. for Business Support or dial 087 805 0500 or email This email address is being protected from spambots. You need JavaScript enabled to view it. or call 087 805 0530 for Consumer Support and we will assist accordingly:

  • Account number or Vox Number
  • Number to be forwarded to

Note: With forwarding setup to a third party, there will be additional costs involved.

Q: Where can I view monthly Itemized Billing?

A: Log into the Customer Zone from the Vox Telecom website and you will be able to view various reports for your Voice/VoIP products.

Q: How can I access my Voicemail on a Supafone?

A: There are 2 ways:

  1. If you are using the handset to check the voicemail, you can dial 6245 (from the handset) after which you will be prompted for a pin, which is 777. You can then follow the voice prompt.
  2. If you are not using the handset, dial 0878056245. You will be required to enter your SIP (VoIP) number, after which you will be prompted for a pin, which is 777. You can then follow the voice prompt.
Q: What do I do if I lost my Supafone Voicemail pin?

A: You can send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. for Business Support or dial 087 805 0500 or email This email address is being protected from spambots. You need JavaScript enabled to view it. or call 087 805 0530 for Consumer Support and we will assist accordingly.

Q: What does it mean if I hear the following error, "Credit limit has been reached", when dialling from my Supafone?

A: This means you would have to increase your credit limit. Please send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. for Business Support or dial 087 805 0500 or email This email address is being protected from spambots. You need JavaScript enabled to view it. or call 087 805 0530 for Consumer Support and we will assist accordingly.

Q: What is number porting?

A: Number porting is a feature in which your existing number can be moved to a provider of your choice (e.g. Vox) and the number remains the same.

Q: Can I port any number to Vox?

A: Currently only Geographic numbers (e.g. 011, 012, 021, 031, etc. ) can be ported to Vox. South African number porting regulations does not support the porting of non-geographic numbers (e.g. 087) between operators.

Q: Can I get VoIP services through Vox if I have my own PBX onsite?

A: Yes, you can speak to any Sales representative for further information.

Q: How do I test my speed?

A: There are many speed test services available on the Internet. 
As only a small % of global internet users connect via satellite networks, 99.9% of these speed test services are tuned for terrestrial wired services such as ADSL - but give incorrect results when testing via a satellite based service. The test methodologies used by these services are not 'compatible' with the tcp acceleration features built into all modern satellite based networks.

For an accurate speed test, we have our own system that we know delivers accurate results. We can be sure of the speed test results when we deliver a file from "our side" of the customers' internet connection. This gives a true and accurate reading of the access network performance between the customer and our gateway at the satellite earth-station in Europe.

Once the 'traffic' enters the European Internet back-bone, there are many factors beyond our control which can affect the speeds.

The Yahclick service comes with a facility for testing download and uploads speeds. You can access this facility via the Yahclick end user portal - (https://eupgateway.yahclickonline.com)

If you insist on using speedtest.net, first change your ‘Preferred Server’ to ‘Luxembourg (LU) – DATACENTER to test the performance of your Yahclick satellite link. If you do not, by default the test will be run against servers in South Africa delivering wrong results.

Q: What is Fair Access Policy (FAP)

A: To ensure that all YahClick High-Speed Internet Service customers have equitable access to the network, YahClick sets usage allowances on the amount of data a subscriber can download within stated time periods. These are usage allowances are specified in each service plan. If at any time a subscriber’s Usage Total is above the Usage Allowance, the YahClick system will temporarily limit the speed at which the subscriber can receive data over the network. Subscribers will still be able to use the Internet service but at a lower speed. The YahClick Fair Access Policy “FAP” is designed to impact the fewest customers who overuse the network while helping ensure the highest speeds for the vast majority of the users. In most networks, 5% of subscribers use 50% of the traffic. FAP policies are implemented by all to prevent abusive consumption of bandwidth by a minority of users.

The best way to describe usage w.r.t FAP is using the ‘bucket’ analogy as depicted below. ‘water/data’ runs into the bucket at a constant rate of ‘A’ liters per hour = (0.1 X Monthly FAP Allowance) / 72. For example, on a service plan with a monthly allowance of 15GB per month, the bucket is filled up at a rate of (0.1 * 15000) / 72,= 1500 / 72 = 20.833 MBytes per hour.

When ‘water/data’ is consumed, they flow out of the bucket at rate B (Mbytes consumptions per hour). So if you are emptying the bucket faster than the rate at which its being ‘filled’, then you will eventually have no more water/data left in the bucket and you will go into FAP. As you go into FAP, the size of the valve opening at B is reduced significantly, so as to ensure that the ‘water/data’ running out of the bucket can never exceed the rate at which ‘water/data’ is running into the bucket.

Once the bucket reaches a level of 33% (24 hours with zero usage) the valve will be fully open so that the maximum data can be used. But when you are in FAP and you still keep on using the data which is flowing into the bucket, you may never go out of FAP because the bucket only fills up at the rate of A.

When the bucket is full the data will still be flowing at a rate of A but it will overflow and the data usage will be lost. By managing your daytime downloads your can maintain your enjoyment of high speed internet without experiencing any speed downgrades. Please note that YahClick also offers unlimited uploading so any photos or large files uploaded to the internet will not be counted as part of the data allowance.

When you apply a FAP token the bucket will get filled up, so you can use as normal and thereafter the bucket gets filled up at a rate of A and the B is still equal to the actual usage.

Q: What is the Download FreeZone?

A: The ‘Free Zone’ starts at 1:00am and ends at 6:00am. During this time, customers can enjoy downloading data at full speed, without it counting against the Download Allowance.

This period has been provided for YahClick subscribers to schedule the downloading of automated updates or to download other large files. Its an incentive for users to rather schedule the downloading of large files to occur when the network is less busy and not place unnecessary load on the network during peak usage hours.

Download speeds are not guaranteed during these hours and this period is subject to available satellite capacity. Yahsat have reserved the right to review the availability of the FreeZone, or apply charges if there is network abuse during this time. We recommend that you schedule your automatic system updates to occur during the FreeZone. Use a download manager software application to automatically schedule large file downloads to occur during the FreeZone.

Q: Can I use YahClick on a small network to serve multiple users?

A: Yes, you can connect multiple computers and laptops to a single YahClick Internet connection. Home networking equipment may be required and is not included with your YahClick system.

For network setup, support, and configuration, contact your network hardware manufacturer and/or operating system software developer (YahClick is not responsible for home network configuration or management).

Please understand that all computers on this network will be sharing a single connection. Simultaneous use of high-bandwidth applications by multiple users may result in degradation of speed and is subject to the YahClick Fair Access Policy.

Q: What is the difference between the Consumer and Business plan terminals

A: Consumer service plans come with modem equipment that is designed for home users. In an average home there will be 1 to 3 computers served by the Yahclick terminal.

In a business environment, where there could be 20 simultaneous PCs served by a single modem, each operating a large number of user sessions, the business grade terminal is more powerful to handle this load. The business terminal also has two LAN ports.

Q: Can YahClick’s NAPT firewall be configured that I am able to connect from the Internet to multiple devices/servers installed behind a YahClick link?

A: No.The Yahclick NAPT firewall simply does a one-to-one NAT and does not take port ranges into consideration at all.To accomplish this, you need to install your own Firewall behind your YahClick terminal, accessible via a Static Public IP (an add-on available on the Business Service Plans) and do your port-based NAT translations there.

Q: Can I change the IP of the modem or switch of the DHCP server

A: No, you cannot turn off the DHCP server or change the IP or the IP range of the modem. The only way to get around this is to put a router between the YahClick modem and your network.

Q: How many IP's do I get for LAN use?

A: The satellite router’s LAN interface is configured with a /28 network. This subnet is automatically allocated at the time of provisioning the terminal. It is not possible to specify or determine what this subnet will be prior to terminal provisioning.

When not deploying an additional firewall behind the Yahclick router, the maximum number of user devices that can be supported directly of the LAN interface is limited to 13. Customers with more devices on their LAN, will need to install their own router/firewall with its WAN interface plugged into the Yahclick modem’s LAN interface.

Q: Why do VPN connections over satellite perform so poorly?

A: YahClick uses sophisticated acceleration techniques to enable high-speed performance over high-latency satellite links. Without this feature, TCP connections would only deliver a throughput of around 100Kbps – simply because of the round trip latencies involved over satellite connections.

These acceleration technologies cannot accelerate traffic running inside tunnels. Tunnel payloads are commonly encrypted in any event, making it impossible to analyze the packet payload to attempt acceleration. When running VPN tunnels over Yahclick, customers need to implement their own TCP acceleration system. Otherwise the performance will be limited to around 100Kbps – regardless of service plan being used

Q: I already have a DSTV dish, do I still need a dish from YahClick?

A: Yes. The YahClick system requires a unique dish in order to send and receive information via satellite. You cannot use your DSTV dish for YahClick high-speed Internet service.

Q: Can I run a mail server behind my YahClick service?

A: Yes, provided you apply for a static IP

Q: If I have a consumer package can I get a Static IP?

A: Yes. There is however an additional cost for a static IP on consumer service plans.

Q: Does Yahclick support voice?

A: To ensure voice quality, a network connection must support a feature called ‘Quality Of Service (QoS)’ that prioritizes voice traffic over normal data traffic (e.g. http, YouTube, torrents, etc.). Without this prioritization, the audio clarity of a voice call will deteriorate from time to time due to other traffic on the network. Activities such as opening a website, a YouTube video, or downloading a file, will cause audio interruptions with duration lasting from fractions of a second, to minutes.

If you need to run telephone calls, please ensure that you choose one of the YahClick ‘Voice’ enabled service plans. These are specifically designed to prioritize voice and supports between one and eight concurrent G.729 encoded voice calls – depending on the service plan selected.

If your system negotiates G.711 on any call, your voice traffic exceeds the amount available on your service plan and quality will suffer.

For the QoS to work correctly, your VoIP system must be configured as follows:

  1. Codec: G.729 (Products that only support G.711 can not be used)
  2. p-time: 40ms (highest priority) followed by 20ms (second priority).
  3. Must run your SIP trunk to Vox’ network.
  4. Use "yc.vphone.co.za : 5070" as registrar / sip-proxy.
  5. Do NOT enable STUN.

Please note: that users who do not subscribe to a ‘Voice’ enabled service plan, will still be able to run voice over their YahClick links – however the quality will vary between good and very poor (especially when concurrently downloading or uploading large files).

Take note that should you exceed the maximum number of concurrent calls provided for by your service plan, all the voice calls (including the first one placed) will experience quality problems.

IMPORTANT: Yahclick terminals accesses “yc.vphone.co.za” via dedicated leased capacity – not via the Internet. It is therefor not possible to reach yc.vphone.co.za via other Internet access services. SIP devices ‘talking’ to yc.vphone.co.za that have STUN enabled, will experience problems such as the inability to receive inbound calls, or one-way audio.

Q: Does the voice calls use from my Daily Allowance Bandwidth?

A: Yes, a G729 call will consume 22Mb/hour

Q: Which Codec can be used when making Voice Calls?

A: The voice packages only support G729 with a p-time of 40ms as highest priority, followed by a p-time of 20ms.

Q: Can I use any VoIP provider on my YahClick Voice Package?

A: No. The YahClick network only recognises and prioritizes VoIP traffic running over a Vox Telecom ‘yc.vphone.co.za’ SIP account. If you attempt to run voice to any other network, it may work, but at times the voice quality will deteriorate.

Q: We have an IP PBX model XYZ. Will it work over Yahclick?

A: Don’t Know. There are thousands of different makes and models of VoIP products on the market. It is impossible for Vox to test all of these. If you have confirmed it working against the Vox network running over say ADSL, then it will very likely also work when running over Yahclick – as long as it supports the requirements above for voice. (G.729 and 40ms/20ms p-time).

Q: If I run voice over YahClick, can I port my current number to the Vox network?

A: Yes. Note that currently only Geographic numbers (e.g. 011, 012, 021, 031, etc. ) can be ported to Vox. South African number porting regulations does not support the porting of non-geographic numbers (e.g. 087) between operators.

Q: If I run into FAP will my dedicated voice channel have bad quality?

A: No. You have dedicated bandwidth sufficient to cover the voice calls. However if you are in FAP and you concurrently run heavy down or uploads, the quality may deteriorate from time to time.

Q: Does YahClick use Local Only Bandwidth?

A: No, The satellite connection terminates in Luxembourg so this will be international traffic. This is important for customers who may be using other forms of ‘local only’ internet services and need to connect from/to Yahclick sites.

Q: Can bad weather affect the service?

A: Yes. During periods of bad weather, the link can go down for short intervals because of signal attenuation caused by rain. The system automatically compensates for such signal attenuation, boosting its power levels to compensate - up to a certain point.

Heavy rain, hail or snow occurring overhead customer terminals, or the earth station in Luxembourg, will cause signal attenuation and could result in short services outages.

Q: Does the YahClick modem come with WiFi?

A: No. YahClick service terminals are not Wi Fi enabled. However, customers may connect their own wireless devices to enable Wi Fi. However, Vox is not responsible for troubleshooting wireless routers or other devices that were not sold as part of the Yahclick solution.

Q: If I order a Yahclick Static Public IP Address, is it routed down to the LAN side of the YahClick modem?

A: No. The Static IP Address is configured as a one-to-one NAT on a centralized NAT Gateway router.

Q: Can I share one service plan between multiple Terminals?

A: No.

Q: Are the devices on the LAN side of the satellite modem accessible from the Internet?

A: If you ordered a Static IP Address, then at least one of the devices on your LAN will be accessible from the Internet, using the assigned Static IP Address. The remaining devices will not be accessible from the Internet. Even though these remaining devices are not accessible from the Internet, they are still accessible from all other Yahclick terminals on the Yahsat network by connecting directly to their statically assigned Private IP Addresses. For security reasons – you must keep this in mind and keep your devices secure. Install a firewall between your LAN devices and the satellite modem.

Q: Can I use Remote Desktop?

A: Yes. There is a “Choose your connection speed to optimize performance on the Experience tab under Options” in Remote Desktop Connection. When connecting to the remote computer, set the connection speed to Satellite (2Mbps – 16 Mbps with high latency).

If you forget to use this setting, you may find your connection randomly dropping, or you are not able to establish the connection at all.

To connect from the internet to a PC installed behind a YahClick link using Remote Desktop, you will need to connect to a Static IP which NATs through to that PC. So you will need to order a Static IP.

Q: What SMTP server should I use?

A: Send your mail using server: smtp.voxtelecom.co.za. Please note that SMTP mail to all other servers is blocked.

Q: Can I download torrents?

A: Yes. However keep in mind that downloading can consume a lot of your bandwidth and will also eat into your FAP allocation. It is also likely to slow down other activities such as normal browsing. We recommend that you schedule your downloading to occur during the “Free-Zone” between 1AM and 6AM.

Q: What factors influence Yahclick internet speed?

A: When you connect to the Internet using YahClick, the upload and download speeds you experience will vary based on a variety of factors including the configuration of your computer, the number of concurrent users, network or Internet congestion, the size of the websites you are accessing, and many other factors.

Yahclick does not deliver a dedicated unshared pipe for each customer to the internet. Just like ADSL, the speeds indicated on Yahclick packages are the maximum "Up-To" speeds. During periods of very heavy concurrent customer demand, the speed experienced by a specific customer will decrease. Speeds may also be affected if there is a major event and all users are trying to access the same content at the same time.

Yahsat's capacity planning rules are such that the average speeds customers experience during the busy hours should not fall below 50% of the up-to speed. But still, this is no guarantee that it never will. What about the satellite latency? The satellite technology used compensates for the high satellite latency between the customer terminal and the earth station, so it does not hamper TCP throughput. Customers need to take into account that Yahclick is delivered via an Earth-Station located in Europe. So its just as if the customer happens to be located in Europe.

Generally, when surfing South African sites out of Europe, they perform 'slower' than when surfing the same sites out of South Africa. This is purely due to the latency over fibre between Europe and South Africa. A single TCP session (e.g. ftp download) between a South African site and Europe, will have speeds of up to 1.2 - 1.5Mbps – true even over a Gigabit WAN connection – purely because of the 200ms or so round trip latency over fiber between Europe and South Africa and limitations in the TCP protocol. Of course by running 5 concurrent downloads from the same South African site, the Yahclick link will be running at 5 X 1.2 = 6Mbps. In general, European websites will respond a little quicker than compared to South African websites.

Q: My download allowance status meter does not seem to match my usage reported on the Check Usage page. Why?

A: The Download Allowance status, available through the YahClick Status Meter application or via your terminal’s System Control Center, reflects the actual number of bytes you can download before your download speeds are reduced. This status comes from the YahClick gateway in real time as you receive data. The Check Usage page displays the total historical data downloaded and uploaded from your terminal. This data comes from usage records that are updated hourly. Based on network policies and system status, some data transmitted to your terminal may not be counted against your Download Allowance, but all data will be recorded on the Check Usage site for reference. For example, any data that you downloaded during the Download FreeZone will be reflected on the Check Usage page.

Q: Can my terminal’s IP address allocation change?

A: Yes. Should you Upgrade or Downgrade your service plan, there is a good chance that your terminal will be allocated a new IP address range. This is especially important for customers subscribing to the static public IP feature, as the one-to-one NAT configuration would then have to be updated to reflect the new IP address.

Access point - Sometimes called a transceiver, an access point both receives and transmits information from a remote location. Access points serve those with a wireless connection (WLAN) and can serve many users at once usually

DNS - Domain Name Service. The DNS server basically translates a URL into the IP address of the server hosting the URL. If you type PortForward.com in your web browser, your computer needs to know what IP address corresponds to portforward.com. Your computer contacts the DNS server, and "tells" it PortForward.com. The DNS server then "tells" your computer 216.104.71.5. If you ping PortForward.com, the first line should be something that includes PortForward.com [216.104.71.5]. This basically tells you if the DNS server was able to find the IP address for the domain name you submitted.

DHCP - Short for Dynamic Host Configuration Protocol, a protocol for assigning dynamic LP addresses to devices on a network. With dynamic addressing, a device can have a different IP address every time it connects to the network. DHCP also supports a mix of static and dynamic IP addresses.

Domain Name - A domain name is what you usually type into the web browser when you want to view a page without the www part. This site's domain name is PortForward.com. Others you may be familiar with are Google. COM, yahoo.com...

Dynamic IP Address - The dynamic IP address is not really a type of IP address. The dynamic only relates to how an IP address is assigned. Your router hands out these IP addresses to computers every time they are rebooted. This means that every time your computer is rebooted, its IP address can change. You should have a static, not dynamic IP address if you are trying to do port forwarding. In a port forwarding configuration you must specify an IP address to forward the ports to. Let's say you do that, and then your IP address changes. The ports are now forwarded to the wrong IP address, so your port forwarding configuration just quit working.

File sharing - File sharing exists on networks, both on public and private levels. File sharing typically relates to multiple users having access to the same files, being able to work on them, download them, or modify them at the same time. Among file sharing networks, there are different levels of access, as well as designated amounts of personal file storage that can be shared with the network.

Firewall - A set of programs in a server that protect information in a private network from outside users

FTP - FTP stands for File Transfer Protocol, and it is known to be the easiest way of exchanging files on the Internet

Gateway - Usually this is your router. When you talk about your gateway, generally you are talking about the IP address your router uses. When you specify gateway in your TCP/IP properties you are entering the IP address of your router. If you enter your gateway into the browser bar, you get the web interface of your router. That's assuming your router has a web interface.

IP - Stands for Internet Protocol. This is how information is sent from one computer to another. When a computer is online, it gets assigned an IP address for the server to send the requested information to, Example – 196.30.31.193

ISP - Stands for Internet Service Provider. An ISP is any company that gives access to the Internet with either existing cable lines or their own wireless connectivity

Kbps - kilobits per second and it is a measure of bandwidth. In other words, how fast information will get from one point to another LAN - LAN stands for a local area network, which means that a group of computers can share an Internet connection, as long as they are close in proximity

Mbps- Megabits per second and is a measure of bandwidth. Mbps is also short for millions of bits per second, as opposed to Kbps, which is thousands of bits per second

Modem - A modem is a device that transfers data and requests from a computer to its Internet server and vice versa

NAT - Network Address Translation.When your router is using nat, it is taking data from one Public IP address, and breaking that data into multiple private IP addresses. Data is sent to your network on a public IP address, from the Internet. Using nat your router then directs that data, to multiple internal private IP addresses. Nat basically breaks one IP into many. There is a problem with it though. When a computer on the Internet wants to retrieve data from a computer on your network, your router can't figure out which internal computer to get the data from. This is where port forwarding comes in. Port forwarding tells your router which internal computer to get the data from when it sees data on certain ports.

NIC - Network Interface Card. This is a card in your computer that allows you to connect to routers/hubs/modems via Ethernet. It's the thing your network cable plugs into.

Node - A node can be a computer or some other device, such as a printer. Every node has a unique network address, sometimes called a Media Access Control (MAC) address Port Forwarding - Allowing your router to direct ports to a private IP address. The data on these ports is always incoming data, and always originates on an external public IP address.

Port Triggering - Allowing your router to dynamically open up ports, when it sees data on other ports. Port triggering allows you to do port forwarding, but only have the ports open when you are running the application. So you open up a program. That program then sends data out on outgoing ports called trigger ports. Your router sees data leaving your network on these ports. The router then allows incoming data on the ports specified in your port-triggering configuration. When the router no longer sees data going out on the trigger ports, it turns off access to the incoming ports.

Private(internal) IP Address - If you are using NAT, every computer on your network has one of these IP addresses. These IP addresses are provided by your router. Your entire network can see this IP address. Computers on the outside of your network cannot, because your router "hides" private IP addresses.

Public (external) IP Address - Every computer/server that has a public IP address is directly connected to the internet. Usually DLS/cable routers are assigned a public IP address by the ISP they are connecting to.

Router - Routers can be in the form of a device or software. They are hooked up to a network of computers at any point where they connect and will send requested information to another computer in that network

Static IP Address - Static doesn't really refer to the type of IP address. It refers to how your computer obtains that IP address.Static IP addresses are hard coded into your computer by you, by hand. If you assign a computer on your network a static IP address, all the other computers on the network must have a static IP address.

Subnet Mask - The subnet mask is part of your IP address configuration. The subnet tells your computer which group of IP addresses you belong to.

TCP/IP - This is the protocol your computer uses to communicate with other computers on the Internet, and within your network. In windows this portion of your network properties, allows you to define an IP address, subnet mask, gateway, and DNS servers.

Web browser - A browser is a program that lets users look at and interact with various applications and files on the Internet. An example of a browser is Microsoft Internet Explorer

 

 

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