External/Internal Transfer
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.
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.
i3 Networks
i3 Voice & Data, Inc. d/b/a i3 networks was founded to provide a single point of contact for efficient and affordable telecommunications and data solutions for carriers and enterprise.
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