Yes, it may work.
But more better way is to check media stream if your app handle
RTP/RTCP packets.
If you only handle SIP signal, you can use re-INVITE to check whether
call is alive.
And in the future we will use session timer until timer supported by pjsip .
regards,
Gang
On Wed, Feb 18, 2009 at 5:52 PM, Ignacio S?nchez
<ignacio.sanchez at vocali.net> wrote:
>> Hi,
>>
>> I'm trying to communicate two computers using PJSUA via TCP.
>> When one of the sides crash, loss the connection or something similar -
>> and
>> so, finished abnormally the communication - ?the other does not finish the
>> call.
>> What can I do to finish the call in the side is still alive?
>>
>> Thanks...
>>
>
> Hi again,
>
> I found a possible solution to solve my problem. This is to check
> periodically the call alive, and if fail, hangup the call.
>
> --- pjproject-1.0-org/pjsip-apps/src/pjsua/pjsua_app.c 2009-02-18
> 09:51:46.000000000 +0100
> +++ pjproject-1.0/pjsip-apps/src/pjsua/pjsua_app.c 2009-02-18
> 10:07:30.000000000 +0100
> @@ -4278,6 +4278,21 @@
> return 0;
> }
>
> +/* Call alive verifier method */
> +static int check_alive_call(void *arg) {
> + const pj_str_t SIP_INFO = pj_str("INFO");
> + while (1) {
> + sleep(4);
> + if (current_call != PJSUA_INVALID_ID) {
> + /* If can't send call request, hangup... */
> + pj_status_t status = pjsua_call_send_request(current_call,
> &SIP_INFO, NULL);
> + }
> + }
> + return 0;
> +}
> +
> +pthread_t t;
> +
> pj_status_t app_main(void)
> {
> pj_thread_t *stdout_refresh_thread = NULL;
> @@ -4290,6 +4305,12 @@
> return status;
> }
>
> + pj_thread_t *check_alive_call_thread= NULL;
> +
> + /* Start call alive verifier */
> + pj_thread_create(app_config.pool, "check_alive_call",
> &check_alive_call,
> + NULL, 0, 0, &check_alive_call_thread);
> +
> /* Start console refresh thread */
> if (stdout_refresh > 0) {
> pj_thread_create(app_config.pool, "stdout", &stdout_refresh_proc,
>
> _______________________________________________
> Visit our blog: http://blog.pjsip.org
>
> pjsip mailing list
> pjsip at lists.pjsip.org
> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org
>
>
