[pjsip] PJSIP on Symbian, any pointers for tackling the audio optimization challenge?

atik atik.khan at gmail.com
Mon Apr 21 07:10:59 EDT 2008

just a little update, Nokia is planing to release a new set of API
called VoIP Audio Services API that will replace  Audio Proxy Server
API and this VoIP Audio Services API  will be integrated to S60 3rd
FP2 or future devices. this API is not yet release, will be release



Nokia forum


On Mon, Apr 21, 2008 at 6:37 PM, Benny Prijono <bennylp at pjsip.org> wrote:
> On Mon, Apr 21, 2008 at 3:20 AM, Alex T. W. LEUNG <alexleung at astri.org> wrote:
>  >
>  > Dear all,
>  >
>  > I also experienced the below "audio latency" issue. Any speculations on the
>  > possible root cause(s) of this?
>  Frankly I've little idea on this, but Yohannes (on this list) had
>  suggested to me that it may be due to the audio backend that we use
>  (the Audio Streaming API) and we may be able to get better latency
>  with using Audio Proxy Server API instead. Unfortunately we haven't
>  had time or resource to experiment with this so this has to wait until
>  we're done with version 1.0.
>  But it may help if you use the latest version of PJSIP from the SVN
>  trunk, since we've done a bit of optimization in the jitter buffer to
>  reduce the latency.
>  > Anyway, I would like to express my gratitude for the progress pjsip has made
>  > so far on the symbian platform. It certainly makes my N82 phone more
>  > interesting and useful.
>  Great that you find it useful!
>  Cheers
>   Benny
>  > Alex Leung.
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