Accessibility Menu

What you need to know

Our SIP trunking service provides straightforward gateway access to our network for customers who are looking for a supplier to terminate the calls, whether they’re setting up a hosted VoIP service or already have an installed IP PBX.

Why choose Entanet as your SIP Trunking supplier?

No long contracts

We’re so confident in our service that we won’t tie your customer into a long contract - if they’re not happy, just give us 30 days notice.

Standard numbers

We provide call termination complete with full UK geographical numbering (01, 02 and 03 telephone numbers).

Complementing your expertise

If you already have the technical knowledge to build your own VoIP platform to control all call functionality and customer billing, our SIP trunking service complements your solution to route the calls from your platform to the outside PSTN network.

Easy migration

If you have existing BT numbers that you need to continue to use, simply port them to Entanet.

Monitored and maintained

To make sure our network stays in tip-top shape and your customers can get online when they want, our Network Operations Centre operates on a 24/7 basis.

Support when you need it

Our knowledgeable Technical Support team is available 24/7 every day of the year to assist you with any issues.

SIP Trunking at a glance

A flexible trunking solution

Choice of geographic and non-geographic numbers

Flexible 30 day minimum contract period

Option to port existing BT numbers

24/7 technical service


What is SIP Trunking?
SIP Trunking is a service that connects existing IP PBX equipment to a VoIP provider’s network, enabling the customer to make and receive VoIP calls.
How many calls can be made per SIP trunk?
The short answer is one telephone call. Engineers can debate whether the correct terminology is channel or trunk; we keep it simple.
Can I retain my customers existing IP PBX equipment?
Yes and you can use our SIP Trunks service with this equipment to provide a telephony solution.
What’s the difference between SIP Trunks and Hosted Voice seats?
SIP Trunks provide straightforward gateway access to a network for call termination whereas a Hosted Voice solution is a complete telephony system with extensions, incoming numbers, voicemail etc.

Need more detail?

Download our VoIP brochure

Download our VoIP brochure

Want to know more about moving to SIP?

    • VoIP What's the big deal?

    5 reasons why you should move from traditional PBX to SIP

    Download our eBook to discover why more and more resellers moving into the provision of IP based telecoms

Need a quote? Just ask!