SIP Trunks can be use instead of ISDN lines or in combination with them.

SIP trunks are a cost effective and flexible alternative to traditional ISDN lines. A SIP trunk connects to your telephone systems via an IP connection (eg your broadband circuit) and then connects to the public telephone network.

Key benefits

Compatible with virtually every type of IP enabled telephone system
Low monthly rental charges
Low call charges
Both UK and international numbers available
Number portability(keep your phone number)
Almost infinite scalability (Add the exact number of channels that you need, whenever you want them)
Rapid deployment times
Great for disaster recoverySIP Trunks in Telephone Systems portfoliio


To find out more call our Team now on +44 (0) 8000 92 62 32 or email