Upgrades for older Generation PBX's

With ISDN being phased out in preperation for the ISDN switch-off in 2025, now could be the time to upgrade your existing system to VoIP.

For many systems this involves installation of a DSP card that will allow connection of SiP/VoIP lines, protecting the investment in the system hardware and handsets, upgrading to SiP/VoIP can be really cost effective.

Return on Investment is typically 8-10 months thanks to the cost savings and all-inclusive call bundles available with SiP/VoIP lines.


SiP/VoIP line features include:

Call Recording

Call Reporting

Online User Interface 



Legacy PBX

Simple upgrades to SIP/VoIP