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Results 1 - 10 of 2104
  1. What is BT SIP Trunks (SIP-T)? SIP trunking is a way of making calls over your IP connection, rather than over traditional phone lines. Because you no longer need separate phone lines, SIP trunking can save you money and help...
  2. What is SIP-ALG? SIP (Session Initiation Protocol) ALG (Application Layer Gateway) is an application within many routers. It inspects any VoIP traffic to prevent problems caused by firewalls and if necessary modifies...
  3. How do I identify my BlackBerry smartphone? To identify your BlackBerry smartphone: From the Home screen: Select the BlackBerry menu button  on your phone. You can now see all the device icons.  On later Blackberries, select the...
  4. Sign in for BT Billing VAT invoices New
  5. How do I remove Call Barring? Ensure that the telephone is set to tone dialling. If the telephone does not have tone dialling or is already set to tone dialling and is still not accepting the request, please try using another...
  6. How do I divert all incoming calls? You can divert all of your incoming calls by following the steps below; Divert all calls To divert your calls, dial *21* followed by either the: extension number and then press # or site location...
  7. How do I use Call Divert? There are two BT features that allow you to divert calls on a single line, for multiline click here . These features are Standard Divert, and Smart Divert. Standard Divert allows you to pick up a...
  8. How do I use Call Barring? Call Barring allows you to bar certain types of calls from being made from your phone and also allows you to bar incoming calls. Before you start, ensure that the telephone you're using is set to...
  9. I keep losing my broadband connection. How can I fix it? If your broadband connection is down - so you can't get on any websites at all, not just the one that you were trying to get on when you noticed the problem - there are a few things you can check...
  10. My phone's working but there are noises or static on the line. Could this be due to a fault? It's possible, but there are a few other reasons why your phone line could be noisy. You can try fixing many problems yourself, saving you time waiting in for a visit from our engineer. Here are some...