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.
Hi
I am shumon from Dhaka , my dalier is SHINETELL which one is btcl route if u r interested pls knock me price is good enough and attaractive.
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hamid
shinetell