SIP Softswitch
It is a device capturing and controling all the signals, which are being created by the whole system, especially the made and received phone call signals. The device is mostly used for connecting regular phone system with the Internet and backwards.
This function blocks all telephone calls going out of the country, thus, insuring in a case of undesirable international calls.
Sinoco Information Technology, Inc.
Sinoco Information Technology, Inc. is a high-tech enterprise committing itself to the manufacture of the VOIP terminal units
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