GSM VoIP Solutions
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.
The external call transfer – is the call transfer to a telephone line other than the company’s telephone line. The internal call transfer – the transfer of an incoming call to another addressee registered on the same telephone line.
eSuara - Free Call - Telepon Gratis INDONESIA
eSuara hadir ditengah masyarakat untuk mewujudkan kemudahan berkomunikasi melalui Jaringan Intenet Cable maupun Wifi. Anda Dapat berkomunikasi dengan berbagai Gadget (Android Phone,iPhone,BlackBerry,dll) maupun PC/Notebook serta IPPhone yang terhubung den
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