Configurations
of GSM/VoIP networks allow the service providers to avoid the local Wired
Public Switched Network (PSTN) in communication with a GMS mobile handset. As a
result, the high rates charged by telephone companies are avoided.
Tempura Communications are a distributor of ISP and Telco services and related products including videoconferencing, security, and IT, serving the Reseller community throughout the UK, Europe and the US.