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.
nPlusOne is a wholly owned subsidiary of Edinburgh Network Technologies Ltd. With literally decades of experience in the design and operation of SS7 and IP network infrastructure, hardware and OSS, as well as developer skills building the