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  2. Voice over LTE - Wikipedia

    en.wikipedia.org/wiki/Voice_over_LTE

    VoLTE calling. Voice over Long-Term Evolution (acronym VoLTE) is an LTE high-speed wireless communication standard for voice calls and SMS using mobile phones and data terminals. [1] [2] VoLTE has up to three times more voice [3] and data capacity than older 3G UMTS and up to six times more than 2G GSM.

  3. Mobile telephone numbering in India - Wikipedia

    en.wikipedia.org/wiki/Mobile_telephone_numbering...

    The dialing procedure for calls within a state for these states would also be simplified, i.e. dialing of mobile-to mobile subscribers and fixed-to-mobile subscribers would be without prefixing '0'. [3] In December 2017, Reliance Jio started with the newest of all, "the six-series-mobile numbers", keeping in mind the growing number of users in ...

  4. Voice over NR - Wikipedia

    en.wikipedia.org/wiki/Voice_over_NR

    Additionally, VoNR removes the LTE anchor, enabling the voice call to stay entirely within the 5G network. [6] VoNR (Vo5G) calls are generally charged at the same rate as other calls, and to make a VoNR call, the device, its firmware, and the mobile telephone provider must all support the service and work together in the specific area.

  5. Call forwarding - Wikipedia

    en.wikipedia.org/wiki/Call_forwarding

    Call forwarding, or call diversion, is a telephony feature of all telephone switching systems which redirects a telephone call to another destination, which may be, for example, a mobile or another telephone number where the desired called party is available. Call forwarding was invented by Ernest J. Bonanno.

  6. Remote call forwarding - Wikipedia

    en.wikipedia.org/wiki/Remote_call_forwarding

    Remote call forwarding is also a means for a suburban business to obtain a city-centre local number (with its full large-city coverage area) for inbound calls; while cheaper than a foreign exchange line, this can reduce long-distance telephony costs in markets where local calls are flat-rated but trunk calls are expensive.

  7. Supplementary service codes - Wikipedia

    en.wikipedia.org/wiki/Supplementary_service_codes

    ETSI and 3rd Generation Partnership Project (3GPP) standards, such as GSM and LTE, define supplementary service codes that make it possible to query and set certain service parameters (e.g., call forwarding) directly from mobile devices.

  8. Forwarding - Wikipedia

    en.wikipedia.org/wiki/Forwarding

    Call forwarding, a telephony feature that allows calls to one phone number to be forwarded to another number Remote call forwarding, a telephony feature that allows call forwarding to be activated remotely; Cisco Express Forwarding, an advanced layer 3 switching technology used mainly on the enterprise core network or the Internet

  9. Call transfer - Wikipedia

    en.wikipedia.org/wiki/Call_transfer

    A call transfer is a telecommunications mechanism that enables a user to relocate an existing telephone call to another phone or attendant console, using a transfer button or a switchhook flash and dialing the required location. The transferred call is either announced or unannounced.