PJSIP 1.7 iphone port - remote echo issue with speaker phone

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Hi Alejandro,

You can use pjsip 1.7 and use the coreaudio backend.

Regards,
Ming

On Fri, Aug 20, 2010 at 8:08 PM, Alejandro Orellana
<alejandro.orellana at savantav.com> wrote:
> All
> Actually i am observing the same ?using pjsip 1.6.
> in looking the logs don't see anything related to ?echo canceling.
> how can i enable the speex echo cancellation or the echo suppressor for the
> iOS ?
> is it recommended to use ?either of the above approaches? or the core audio
> backend is the recommended one?
> Thanks in advance
> On Aug 20, 2010, at 1:03 AM, Sauw Ming wrote:
>
> Hi Rob,
>
> Which version of iOS SDK and which version of iOS that you are using?
> If you're using iOS SDK 4, did the same problem also happen when
> you're using the SDK 3.x?
>
> Regards,
> Ming
>
> On Thu, Aug 19, 2010 at 3:56 AM, Rob Wilkes <wilkrob at gmail.com> wrote:
>
> Hi, here is the code I am using to switch to loudspeaker on the iphone
>
> pjmedia_aud_dev_route route =? PJMEDIA_AUD_DEV_ROUTE_LOUDSPEAKER;
>
> pj_status_t status;
>
> pjsua_set_ec (PJSUA_DEFAULT_EC_TAIL_LEN,0);
>
> status = pjsua_snd_set_setting(PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE,
>
> ? &route, PJ_TRUE);
>
> pjsua_set_ec (PJSUA_DEFAULT_EC_TAIL_LEN,0);
>
> I just added the pjsua_set_ec both before and after to see if it makes a
>
> difference. The remote party is still hearing his own voice back loud and
>
> clear.
>
> Can anyone suggest what I may be doing wrong?
>
> On Wed, Aug 18, 2010 at 11:46 AM, Rob Wilkes <wilkrob at gmail.com> wrote:
>
> Hi, I am running PJSIP 1.7 on an iphone (3GS as well as 4). I checked out
>
> the trunk today and built it exactly as per specs. When I make a call and
>
> switch the iphone to speaker mode, the remote party hears his/her own voice
>
> back very prominently. According to the release notes of 1.7, it should be
>
> using the iphone's native echo canceller and this should not be happening
>
> (or, atleast, the remote echo should not be so prominent). Is there any
>
> additional setting I need to do?
>
> I assume 1.7's audio driver should already be doing what the
>
> old?http://code.google.com/p/pjsip-iphone-audio-driver/ effort did. Is that
>
> correct? (since this was created for older versions of JPJSIP and PJSIP has
>
> evolved since)
>
> thx
>
>
>
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> ------
> Alejandro Orellana
> Savant Systems, LLC
> 770 Main Street
> Osterville, Ma. 02655
> (508) 683-2547 (W)
> (508) 683-2647 (F)
> Alejandro.Orellana at savantav.com
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