SIP Trunks

 
As an alternative to fixed lines, ACT offers SIP Trunking for ISDN replacement into existing PBX systems. Each SIP Trunk supports one concurrent external call, equivalent to one ISDN channel. SIP Trunking offers a number of advantages over traditional ISDN, the key ones being;

Installation line cost reduction – The installation cost for an ISDN30 circuit can be quite an investment. For Sip Trunks the installation cost is reduced and consists of the broadband installation plus a connection fee for the telephone numbers you wish to use.

Ongoing line rental cost reduction – Just £6.00 + vat each per month. ACT SIP trunks are a fraction of the standard BT price of typically £17.00 + VAT per month for ISDN rental.

Linking remote sites or home workers – SIP Trunking allows Remote Workers to be integrated within the main office without the complexity of a tunneling service (Q-sig, DPNSS, VPN's etc) out from the PBX.

Out of area geographic numbers – For example SIP Trunking allows your London office to have a Birmingham number delivered directly. This allows you to publish local numbers around the UK without having to pay diversion charges back to the main office.