Tel2 are passionate about Asterisk, Freeswitch and other open source initiatives. So much so that we use open source products throughout our own network. By embracing open source initiatives we believe this gives us a unique opportunity to give something back to the community, keep our costs low and stay one step ahead of our competitors through contant innovation and the development of smart intuitive features.

If you require assistance with configuring your Asterisk platform click here to view our user guide.

We believe that Tel2 are the most 'Asterisk friendly' carrier in the UK, by offering Asterisk focussed protocol support and services. Whether you are running plain Asterisk or one of the many distributions out there such as FreePBX, PBX in a Flash, Elastix, AsteriskNOW, AskoziaPBX, VoiceOne, TrixBox - or if you prefer Freeswitch, Tel2 have in-house expertise which can help you get setup, configured and if you run into any problems we can help diagnose problems with you giving you the peace of mind that your carrier is as passionate about Asterisk as you are. Below are some of the ways in which Tel2 support you and your Asterisk platform.

IAX2 Protocol Support

IAX2 has a number of advantages over the SIP protocol including:

  • More efficient use of your Internet bandwidth for multiple calls
  • Removes complexity of traversing some firewalls and removes audio problems
  • DTMF traffic is always out of band removing confusion
For more benefits of IAX2 click here

Asterisk Media

We support all the main Asterisk codecs and media protocols including:

  • G.722, iLBC, G.729a, GSM, G.726, G.711 alaw and ulaw voice codecs.
  • H.264 and H.263 video codec support
  • T.38 and UDPTL support for faxing
  • SIP Subscribe for Presence and BLF
  • OPTIONS and NOTIFY Support for Message Waiting.
  • TLS and Secure RTP support for encyrpted media

Asterisk Support

The team at Tel2 understand Asterisk. This helps us support Asterisk platforms better than any other carrier in the UK. Here are some of the ways we can help you:

  • Wireshark captures to identify faults
  • IAX2 and SIP protocol logging to identify issues
  • Console debug logging
  • Fraud management systems to protect customers
  • Access to our Partners Programme