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  2. Call transfer - Wikipedia

    en.wikipedia.org/wiki/Call_transfer

    One common example of a warm transfer is when a receptionist or virtual receptionist takes a call for the business and notifies the party attempting to be reached who the person is and the nature of their call. [2] Tepid transfer: This involves the call center operator dialing a number and transferring the caller on to the called number without ...

  3. Comparison of cross-platform instant messaging clients

    en.wikipedia.org/wiki/Comparison_of_cross...

    Only one mobile phone is allowed to be the primary device, as attempting to login to the messaging app on another mobile phone would trigger the previous phone to be logged out. The secondary device is a computer running a desktop operating system, which serves as a companion for the primary device.

  4. Mobile number portability - Wikipedia

    en.wikipedia.org/wiki/Mobile_number_portability

    A key technical aspect of Mobile Number Portability (MNP) involves the routing of calls or mobile messages (SMS, MMS) to a number once it has been ported.Various call routing implementations exist globally, but the International and European best practice employs a central database (CDB) of ported numbers.

  5. Unified communications - Wikipedia

    en.wikipedia.org/wiki/Unified_communications

    Unified communications (UC) is a business and marketing concept describing the integration of enterprise communication services such as instant messaging (chat), presence information, voice (including IP telephony), mobility features (including extension mobility and single number reach), audio, web & video conferencing, fixed-mobile convergence (FMC), desktop sharing, data sharing (including ...

  6. Handover - Wikipedia

    en.wikipedia.org/wiki/Handover

    In telecommunications there may be different reasons why a handover might be conducted: [1] when the phone is moving away from the area covered by one cell and entering the area covered by another cell the call is transferred to the second cell in order to avoid call termination when the phone gets outside the range of the first cell;

  7. Premium Tech Support with Assist by AOL | AOL Products

    www.aol.com/products/tech-support/assist

    Our tech experts are on call and ready to help. Assist by AOL covers nearly any technical issue on almost any device including speeding up a slow computer, issues with your printer, and using your ...

  8. Local number portability - Wikipedia

    en.wikipedia.org/wiki/Local_number_portability

    Local number portability (LNP) for fixed lines, and full mobile number portability (FMNP) for mobile phone lines, refers to the ability of a "customer of record" of an existing fixed-line or mobile telephone number assigned by a local exchange carrier (LEC) to reassign the number to another carrier ("service provider portability"), move it to another location ("geographic portability"), or ...

  9. Device-to-device - Wikipedia

    en.wikipedia.org/wiki/Device-to-device

    Device-to-Device (D2D) communication in cellular networks is defined as direct communication between two mobile users without traversing the Base Station (BS) or core network. D2D communication is generally non-transparent to the cellular network and it can occur on the cellular frequencies (i.e., inband) or unlicensed spectrum (i.e., outband).