SIP

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Compared to ISDN Exchange Communications SIP trunking service is less costly per channel and more flexible in how and where geographic telephone numbers can be used. It’s also quicker to install and provision and, as standard, it delivers extremely robust business continuity.

The service can support connections ranging from two channels for small PBX-equipped businesses to an unlimited number of channels for large enterprises and contact centres..

SIP (Session Initiation Protocol) technology

SIP (Session Initiation Protocol) is a technology that allows you to make calls over an IP connection, rather than a traditional phone network and facilitates unified communications essential to modern business: voice, video, streaming, and web conferencing. This reduces costs and can help you maximise your network investment for your business.

If you’ve invested in, or are considering investing in, a network, or fast internet access, SIP can help that investment go further. You’ll get more flexibility than with a traditional phone service and can take your number with you if you move.

In short, SIP enables organisations to do more for less.

SIP benefits

Flexibility with your phone numbers

Allows you to move office and keep the same geographic number without any ongoing call forwarding costs and costs associated with new company stationery.

Save money

IP connectivity costs less than ISDN with lower call costs, free internal calls between extensions and offices (including international calls) and lower line rental costs for multi
sites. Also, no expensive call-forwarding costs are required should you relocate or need to divert calls in the event of a disaster.

Line rationalisation

For businesses with multiple sites, SIP trunking provides line rationalisation and reduces the number of PBXs you need to maintain – all with full control of the numbers associated with your business.

Business continuity

If your office has to be temporarily relocated in an emergency, this can quickly and cost effectively be achieved with SIP trunking to keep your business working.

Resilience

SIP trunking provides a phone service that will cope with any situation and give you 100% up time on your telephony. Whether you need to keep your business running without expensive call forwarding costs in a disaster or emergency, or you need to load balance your calls between sites during peak hours, SIP trunking delivers.

How does it works

SIP trunking connects your PBX to our network, enabling full PSTN breakout on the public telephone network. Connection from your site (or sites) to our 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.

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