Automatic Call-back
In telecommunications the automatic call-back is a computer telephone function which allows the user by the engaged addressee’s line or in the other case of the subscriber’s inaccessibility indicating the system to save the number of the called subscriber and make the call when the line will be available or when the called number is not engaged.
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.
Eone Telecom
Eone Telecom is a french company located in Paris.Based on a 5-years experience with VoIP, carrier trading systems, call-shop infrastructures and pre-paid cards combined with an expertise with web interfaces, Eone can now deliver a completly automated (on
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