Some more observations/issues using PJSIP on iphone OS (3.1 and 4.0)

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Oops sorry, point 2 is incorrect. The real question is - why does PJSIP take
10-12 seconds while initializing on an iphone ?

On Thu, Aug 5, 2010 at 10:22 AM, Rob Wilkes <wilkrob at gmail.com> wrote:

> Hello, we have the following observations. Any help would be great:
>
> Version of PJSIP: 1.6
>
> 1) It seems when we compile PJSIP/MEDIA on iOS SDK 4.0, it works fine, but
> media does not work (there is no sound) when we make a call. However the
> moment we switch to iOS SDK 3.2 everything works fine. So right now, we are
> building PJSIP on 3.2 - once built on 3.2, our application when deployed in
> an iphone 3G (3.x) or iphone 4 (4.0.1) works fine. Our conclusion therefore
> is that pj1.6 has some issues in the audio driver for iphone when compiled
> with iOS SDK 4.0 - correct?
>
> 2) The PJSIP initialization function takes at least 10-12 seconds when in
> debug mode on an iphone 4. Is there any way to make it faster? Alternately,
> we do not receive any notification from PJ when init is complete, so when we
> start our VoIP client, we have no idea when PJ is ready to make a call - so
> we cannot display a "initializing" message that g goes away when PJ is ready
> to make calls.
>
> 3) Has anyone got DTMF via RFC 2833 working on iphone? We currently use
> PJSIP on android and everything works fine with 2833 DTMF. When we use the
> iphone client, RTP seems to be sent via inband RTP and not 2833 (yes, we
> have validated that the remote end returns 2833 support in 200 OK)
>
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