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  1. #1
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    How can I implement Codec AMR, G.729 A/B, G.711 in J2ME

    I am implementing client application using SIP protocol using JSR 180 in J2ME. I want to add functionality Voice Messaging. How can I do this? I have to support some codec like AMR, G.729 A/B, G.711.

  2. #2
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    Re: How can I implement Codec AMR, G.729 A/B, G.711 in J2ME

    In practise, if the phone's Java ME implementation does not support those codecs, you are out of luck. Check here how to find out the supported codecs
    http://www.forum.nokia.com/document/...0ACF5F95A.html

    Hartti

  3. #3
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    Re: How can I implement Codec AMR, G.729 A/B, G.711 in J2ME

    Thanks. This will help me to find out supported Codec.

    Now, I want some thing different.

    1. How can I support my sip implementation for mobile dialer GPRS, WiFi internet connectivity?

    2. As I am new in this type of development, will you give me some important links(resources) about Voip mobile dialer development.(tools-J2ME)

  4. #4
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    Re: How can I implement Codec AMR, G.729 A/B, G.711 in J2ME

    1) In general, Java ME does not provide you means to control which netwok machanism you are using to connect to the network.
    For example in older S60 devices (3rd Edition and older) the user is asked which access point to use (WiFI/Cellular data/etc).
    On S60 3rd Edition Feature Pack 1 devices things work the same, although now you can select a default access point for the MIDlet in the Application Manager (still tghe user does that or selects the access point to use)
    In S60 3rd Edition FP2 phones you can use IAP API
    http://www.forum.nokia.com/document/...w-summary.html

    2) You could check this
    http://developers.sun.com/mobility/apis/articles/sip/
    http://www.forum.nokia.com/info/sw.n..._1_en.pdf.html

    Hartti

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