Automatic Call-back

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.





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Cisco 7911G Unified IP Phone

Cisco 7911G Unified IP PhoneCisco Unified 7911G IP phone is meant for office workers, retail shops, workshops, and any other workers generating small to medium phone call traffic.

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Hong Kong APT Telecom Services Limited

APT Group mainly provides high quality services in satellite transponders, satellite communication and satellite TV broadcasting to the broadcasting and telecommunication sectors in Asia, Europe and the United States, and achieves remarkable results.

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