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.
An opportunity to use the other connection line if the usual line is engaged.
Impro Labs LLC
Voice Over IP (VOIP) communications have became the major trend in international calling. As the IP communication is done over internet, good internet connectivity with high bandwidth is required to ensure good quality of service. This is where our Optima
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