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.
Code-A is Telecode Communications Inc. billing for collecting CDRs and Softswitch management via TXT files, SNMP and DBMS. Code-A has its own framework designed to calculate every call and not to miss any.