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Thread: power usage

  1. #1
    Registered User
    Join Date
    Nov 2007
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    3

    Lightbulb power usage

    what is the power usage of bluetooth and wireless impact on the phone.leaving them on will kill the battery

  2. #2
    Super Contributor
    Join Date
    Mar 2004
    Location
    Czech Republic
    Posts
    2,037

    Re: power usage

    Hi,

    using WLAN is very power consuming, while BT not so much. There are few interesting documents on forum.nokia.com about power consumpiton you can find here:

    http://www.forum.nokia.com/main/reso...er_management/

    BR,
    STeN

  3. #3
    Registered User
    Join Date
    Nov 2007
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    3

    Re: power usage

    so doing sip or voip is not practical isn't? either you have to walk with your charger

  4. #4
    Super Contributor
    Join Date
    Mar 2004
    Location
    Czech Republic
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    2,037

    Re: power usage

    Hi,

    we're doing SIP 24hrs/7days/week over UMTS (not WLAN) and with this extensive use the user can live day as a maximum... SO having power adapter in both work and home is necessary))

    BR,
    STeN

  5. #5
    Nokia Developer Expert
    Join Date
    Dec 2006
    Location
    Mountain View, CA
    Posts
    197

    Re: power usage

    VoIP & streaming video and other real-time application developers should set the U-APSD accordingly for WLAN:

    RSocket::SetOpt(KSoIpTOS, KProtocolInetIp, voice) (requires Network control in DevCert).

    This will triple the talk time - no impact for stand-by (and should not be used for SIP keep alive messages) and shorten latency as well (as WLAN AP is not buffering packets).

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