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  2. Comparison of mobile phone standards - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_mobile_phone...

    Able to produce a reasonable call with lower signal (cell phone reception) levels. Uses soft handoff, reducing the likelihood of dropped calls. IS-95's variable rate voice coders reduce the rate being transmitted when speaker is not talking, which allows the channel to be packed more efficiently. Has a well-defined path to higher data rates.

  3. List of LTE networks in Asia - Wikipedia

    en.wikipedia.org/wiki/List_of_LTE_networks_in_Asia

    Help; Learn to edit; Community portal; Recent changes; Upload file; Special pages

  4. List of mobile network operators in Asia and Oceania

    en.wikipedia.org/wiki/List_of_mobile_network...

    4G : FDD LTE : B1/B3 (Roaming on Truemove H, B8 prohibited) 4.5G : Up to 2xCA B1+B3, nationwide 4x4 MIMO on B3, 256/64QAM 4G Calling ( VoLTE , ViLTE ) : Unsupported

  5. Roaming - Wikipedia

    en.wikipedia.org/wiki/Roaming

    In more technical terms, roaming refers to the ability for a cellular customer to automatically make and receive voice calls, send and receive data, or access other services, including home data services, when travelling outside the geographical coverage area of the home network, by means of using a visited network. For example: should a ...

  6. 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.

  7. UMTS - Wikipedia

    en.wikipedia.org/wiki/UMTS

    Roaming agreements between networks allow for calls to a customer to be redirected to them while roaming and determine the services (and prices) available to the user. In addition to user subscriber information and authentication information, the (U)SIM provides storage space for phone book contact.

  8. Fares and ticketing on the Mass Rapid Transit (Singapore)

    en.wikipedia.org/wiki/Fares_and_ticketing_on_the...

    A Singapore Tourist Pass may be purchased from S$22 [64] (inclusive of a S$10 refundable card deposit and a 3-day pass) for the payment of public transportation fares. The card may be purchased at selected TransitLink Ticket Offices, LTA Kiosks, Passenger Service Centres and Singapore Visitors Centres, and can be refunded at both TransitLink ...

  9. GSM services - Wikipedia

    en.wikipedia.org/wiki/GSM_services

    Mobile networks in Europe, Asia (except Hong Kong, Macau (Macao) and Singapore), Australia, and Argentina only charge their subscribers for outgoing calls. Incoming calls are free to the mobile subscriber with the exception of receiving a call while the subscriber is roaming as described below.

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