44 (0) 330 088 2077

Business SIP Trunking Benefits

What are the Benefits?


Wavetel SIP trunks can be easily scaled up with in couple of minutes. All of our SIP trunks deployments are safe, secure and reliable and works with industry leading PBX systems such as Avaya, Mitel, Cisco, 3CX etc.

Extensive Costs Savings

Benefits from more affordable connection, rental and call charges compared to traditional ISDN services. Multi Site customers can also benefit from free site to site calls with savings as much as £1,200 a year when compared to ISDN30.

Business Continuity

Support your disaster recovery strategies as alternative routing can be automatically implemented in emergency situations saving money on costly call-forwarding

Award-winning Customer Service and Technical Support

Option for 24/7/365 Support available

Number Flexibility

Use numbers from any area in the UK, giving your business a local presence and feel to your customers

Number Portability

If you are looking to move to SIP from ISDN, then you can bring your numbers with you


Wavetel SIP Trunking connects your phone system to the public telephone network via the same network connection as your data services, lowering your costs and improving your service

24/7 Availability

All our networks are monitored and managed by experienced UK based technical specialists giving you unbroken access to your voice and data systems.


ISDN Trunking
Requires Expensive Circuits
Typical Call Rates Apply
PBX Requires Line Card for additional circuits
ISDN line down: Lose incoming voice
Works with modern IP-PBXs (line card required)
Works with old PBXs (line card required)
Spare connectivity capacity goes unused
ISDN connectivity prices are likely to stay static
Likely to be discontinued over next ten years
SIP Trunking
Requires Cheaper Data Circuits
Cheaper Calls Rates Apply
No Line Card required
Data circuit down? Calls can be re-routed over backup connection
Works with modern IP-PBXs (no line card required)
Works with old PBXs (SIP-ISDN gateway required)
Spare connectivity capacity can be used for internet access
Data connectivity prices are likely to continue falling
Likely to become the new standard for voice trunking

Compatible With Leading Phone System

Built from the ground-up with for ease of use, every SIP trunk is fully compatible with today’s leading. With account creation in under 10 minutes and SIP trunk provisioning in under 60 seconds, you can get your customers calling faster than ever.


How Does it Work?

Wavetel SIP Trunk connects your PBX to Wavetel's network, enabling full PSTN breakout on the public telephone network. Connection from your site (or sites) to Wavetel’s network is via an IP connection, for example broadband or Ethernet, and is delivered as an end-to-end service with an availability guarantee, voice channel guarantees and voice Quality Of Service.

Wavetel Ltd| SIP Trunks