Our SIP services are reliable, cost-effective and feature rich replacement for ISDN Circuits. While ISDN circuits have traditionally been favoured as a way to make and receive calls to/from your PBX, availability of high speed Data Connections, as well as increased stability in IP Platforms have led to SIP Trunks becoming a preferred option for call routing to/from the PSTN network.

Compared to ISDN circuits, SIP Trunks can provide far great functionality at a lower cost. When this is bundled with an advanced fraud prevention service, it's unsurprising that a vast number of businesses are migrating from traditional fixed line services to a digital one.
 
In order to make and receive calls through your SIP Trunk, your IP-PBX will connect to your on-site Network (generally through the Router). The IP-PBX will then communicate with our Call Routing platform over a Data Connection (such as Broadband, VDSL or UFB Line) in the form of millions of synchronous data packets.

When you make an outbound call through your PBX, that call travels through your Data Connection to reach our Call Routing platform, which then 'hands-off' the call to the Network. When receiving a call from the PSTN network, the call reaches our Call Routing platform, which then forwards the call to your IP-PBX through the SIP Trunks.

Please contact us today and setup the SIP service for your business. Our team will be more than happy to help to give you a complete solution. If you have any additional questions then please call Comtel NZ
on +64 9 274 3089 or contact us