SIP Trunk

SIP Trunk and Channels

CNS SIP trunk platform is a Voice Over IP service ( VoIP  ) that significantly reduces monthly service charges and dramatically reduces call costs.

Our Premium SIP trunk product delivers incredible performance at an unbeatable price. You get ISDN-grade call quality and reliability alongside all of the benefits of a modern VoIP service.

You can sign-up for a SIP account here and be using it within just a few minutes. We have numbers from more than 8000 destinations around the world and with our simple pay as you gotop-up system, it really couldn’t be any easier.

If you don’t want PAYG and are looking for a SIP package with inclusive minutes then please click here to learn more.

Why choose CNS?

There are many great reasons to upgrade your legacy phone system.

If you have already made the switch to VoIP but still paying calls via per minute then contact us.

You can buy a SIP trunk now for just £12 or read on below to find out more about the service.

Scaling and Availability

CNS SIP Trunks scale with your business and offer industry-leading high availability and agility.

We understand that to compete in today’s world, your business needs to be able to respond quickly to rapid increases. That’s why we have designed our SIP Trunk and Hosted PBX solutions with agility in mind. Within a matter of minutes you can add as many channels, trunks or numbers to your account. Meeting the demands of your business today.

Account Management

Your dedicated account manager will manage your account with you

Support Included

  • increase and decrease the number of channels on your SIP Trunks
  • purchase phone numbers from international locations
  • buy phone numbers from both geographic and non-geographic locations
  • request live and historical call records and charges
  • request your past invoices

All VoIP Systems, Services and associated products include CNS Support via our professional and dedicated help desk.

SIP Channels for Business

Micro Business (2-5 Extensions)

8,000 Minutes to 01, 02, 03 and Mobile

Small Business (15 Extensions Maximum)

20,000 Minutes to 01, 02, 03 and Mobile

Medium Business (15-100 Extensions)

120,000 Minutes to 01, 02, 03 and Mobile

Large Business (100+ Extensions)

200,000 Minutes to 01, 02, 03 and Mobile

What is SIP?

An acronym for Session Initiation Protocol used within Voice over IP (VoIP) technology that enables phone calls to be made over a standard Internet connection. It enables phones and other telephony devices to talk to one another. You don’t need to understand any technical details in order to use.

So what is SIP Trunking?

Your account on which you use Voice over IP (VoIP). In this context a trunk refers to a single account provided. The account will have a range of features enabled for it, such as inbound and outbound channels (lines) and phone numbers.

A key benefit of the technology for the consumer is the lack of proprietary software and so-called vendor lock-in  . The technology is open and moving between your choice of VoIP provider is quite simple and painless. Any hardware phones or software that you use can be used with almost any trunk. Changing your provider involves updating just a few simple settings.

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