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.
IPPN Inc., is the leading provider of service delivery and creation systems for next-generation communication networks. IPPN`s mission is to enable rapid and economical design and deployment of powerful enhanced services to business and residential custom
Read more