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.
IPCB mission is to facilitate worldwide call termination from any IP telephony device, independent of its manufacturer, protocols and origin. IPCB seamlessly integrates with a heterogeneous infrastructure of its Members within hours after signing Membersh
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