paolo bevilacqua Sat, 10/24/2009 - 07:53
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You do not use a GSM modem for that, you use a so called "GSM box". There are with analog, ISDN, and ethernet interfaces, try to avoid the first type as long is possible.

Sergey Tregubov Sat, 10/24/2009 - 12:04
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thank you very much,

our company tries to save money, so i have to find a solution, thats all internal phones call to the mobile phones via GSM modem or gateway.

This is interesting decision for me, for voip engineer, new experiens

so i'll try that


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