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.
By using Portech SBK-32 expander for 32 SIM-cards, you can increase the number of channels in the Portech MV-37X GSM VoIP gateway series using the Internet.
IIA
Welcome to IIA(Internet In Air), an Advanced Technology Architecture, Design and Consultancy group. IIA professionals have vast experience and have worked with International Multinationals and bear deployment & commercial experience Worldwide.
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