SIP Trunks

With the latest generation of IP based telephone systems from Avaya and other manufacturers, SIP trunks are emerging as a very flexible alternative to traditional ISDN services.

The key benefits of deploying SIP can be one or all of the below :-

• Resilience (As it is provided in a different way to ISDN)
  
• Disaster recovery (two sites can have mirrored services)
• Speed of delivery (can be same day)
• Numbers not dependant on location – If you move or consolidate offices you can retain numbers without incurring usage costs
• Low cost alternative to BT Remote call forwarding (RCF) service
• Lower rental per channel
• Reduced cost of outbound calls
• Free calls between connected sites.
  

The key to success in deploying SIP Trunks is to work with a company that is able to manage the core components of the solution; the underlying SIP Carrier, the Data connectivity and the PBX hardware including Session Border Controller (SBC). CCT is particularly well placed to advise on, design and provide SIP services to existing Avaya customer. SIP isn’t standard and as such fault diagnosis and fix can be very tricky if the solution is provided through multiple parties.