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.
ASK-VoIP S.A. (ASK-VOIP S.A. is former ASK-VOIP LTD) is a Panama-based telecommunications provider specializing in wholesale international voice traffic.