Two questions - multiple calls and sound device access

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Thank you very much for the answers.

On Tue, Nov 4, 2008 at 4:47 PM, Nanang Izzuddin <nanang at pjsip.org> wrote:
> Hi,
>
> AFAIK,
> 1. it is currently not possible, however a bit modification on pjsua
> application (pjsua_app.c) will make that possible, e.g: introducing a
> new option --make-call which could be specified multiple times.
> 2. it seems the sound device can only be opened exclusively (one
> application at a time), in this case you can still run two (or more)
> pjsua instances simultaneously, e.g: one instance uses the sound
> device, the other instance(s) should use null-audio (see --null-audio
> param).
>
> Regards,
> nanang
>
> On Sun, Nov 2, 2008 at 4:53 PM, Martin Fiala <fialkam at gmail.com> wrote:
>> Hello,
>> I'm new to this list, so greetings everyone.
>> I'm trying to use pjsua application to test some different SIP PBX
>> platforms. Everything seems fine, so far I have just two questions:
>> 1) Is it possible to put into config-file a command that will make
>> multiple simultaneous calls? I know putting one
>> "sip:account at server.com" works fine, the call is proceeding, but how
>> to add multiple calls directly into config file?
>> 2) When running two instances of pjsua on the same machine, is there a
>> problem with accessing a sound device? I'm getting this:
>>
>> 10:23:13.492  pjsua_media.c  Unable to open sound device: Device
>> unavailable [status=269984]
>> 10:23:13.492  pjsua_media.c  Error opening sound device: Device
>> unavailable [status=269984]
>>
>> on the called application. The calling one shows no errors (though
>> it's the called one, that initiates sound transfer..). I've read
>> somewhere that you should make sure no other app is using the sound
>> device when using pjsua. Is there a way to make two instances work
>> simultaneously?
>>
>> Thanks for any answers.
>> Martin Fiala
>>
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>
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