Session Initiated Protocol (SIP) Trunking2018-08-08T09:33:40+00:00


SIP trunking is a flexible and dynamic functionality that can be extended to any number of applications. SIP is a reliable and cost effective way of allowing your phone system to access the outside world via a broadband or data connection to our network. SIP enables you to have a PBX installed to use Voice-over-IP (VoIP) even to outside the enterprise network by using the same connection as the Internet connection. A single trunk includes multiple voice sessions.

✓ A cost-effective alternative: to traditional ISDN, eliminating the need to purchase costly BRIs, PRIs or PSTN gateways

✓ Cheaper, more reliable: IP connectivity

✓ Free internal calls: and a wealth of SIP telephone features

✓ Perfect for: organisations needing to communicate across multiple sites or moving/expanding their office

✓ More specific Quality of Service (QoS): measures to ensure better and calculated voice quality

✓ More reliable: than the traditional PSTN as a number of failover solutions can be implemented

✓ Take your telephone number: with you wherever you move

✓ Receive any UK number: at any site in the UK

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