SIP Trunks

TNBN Business SIP Trunks only £5 per month

Next Generation Voice Services are now being delivered over high quality Ethernet and Voice Approved ADSL circuits – VoIP is the future of telephony and it is available now.

TNBN have been running a VoIP Network based on the Industry standard SIP Protocol for the last 5 years. Approximately 55% of TNBN new telephone line installations for customers are based on SIP services.

Using a SIP based VoIP service delivers significant benefits over old fashioned ISDN30e these include:

  • Keep your existing phone number when you move.
  • Add new phone numbers from any UK dialing code – regardless of your physical location .
  • Implement a Disaster Recovery policy.
  • Integrate home workers as standard.
  • Save 50% + on all costs.

TNBN are amongst the UK’s Leading SIP providers using state of the art technology.


There are two great choices – Do you need the flexibility & control of your own phone system – and either already have a phone system or are happy to buy, run and manage the phone system, in which case the product you require is SIP Trunks.

Or do you want to use a hosted phone system to reduce the capital costs of buying a new phone system and are happy to leave the management to TNBN – the system will grow as you do, and allow you to change location, open new sites and have access to a wide range of IP based business benefits for a monthly rental. CLICK HERE FOR MORE INFO ON TNBN HOSTED PBX
Or, Please call 0800 019 5562 or visit the contact us page for more information or to discuss your requirements further with one of our consultants.