Hello All,
I wrote a simple sofia-sip application that REGISTER itself to a proxy,
send a SUBSCRIBE, an (un)SUBSCRIBE and (un)REGISTER (see flow and code below).
In response to the last NOTIFY (after the (un)SUBSCRIBE) sofia-sip sends 481
Call Does Not Exist.
In my opinion it is not correct. The correct answer should be 200 OK since
dialog must be destroyed on incoming NOTIFY with Subscription-State: terminated
(RFC3265)
Do you agree ?
If so, am I doing something wrong with the code ?
Thank you very much in advance for your help
Regards,
Filippo Della Betta
P.S. I can provide to you with level 9 sofia-sip log and much more detailed SIP
flow if you need it.
REGISTER --->
200 OK <---
SUBSCRIBE --->
200 OK <---
NOTIFY <---
200 OK --->
SUBSCRIBE (Expires=0) --->
200 OK <---
NOTIFY <---
481 Call Does Not Exist --->
REGISTER (Expires=0) --->
200 OK <---
#include <stdio.h>
#include <sofia-sip/su.h>
#include <sofia-sip/sdp.h>
#include <nua_stack.h>
#include <sofia-sip/nua.h>
#include <sofia-sip/nta.h>
#include <sofia-sip/soa.h>
#include <sofia-sip/sdp.h>
#include <sofia-sip/tport.h>
#include <sofia-sip/sip_protos.h>
#include <sofia-sip/su_log.h>
su_home_t * g_h3 = NULL;
void nua_callback3(nua_event_t event,
int status, char const *phrase,
nua_t *nua, nua_magic_t *magic,
nua_handle_t *nh, nua_hmagic_t *hmagic,
sip_t const *sip,
tagi_t tags[])
{
printf ("nua_callback> %s status %d %s\n",
nua_event_name (event), status, phrase);
}
int main(int argc, char* argv[])
{
const char *UserAgent = "sofiaapp";
const char *UserName = "+393351234567";
const char *Proxy = "10.0.0.10";
const int ProxyPort = 5060;
const char *Domain = "domain.com";
const int LocalPort = 7191;
const int Expires = 900;
su_init();
int level = 9;
su_log_set_level(NULL,level);
g_h3 = su_home_create( );
su_root_t *r = su_root_create(NULL);
char *url = su_sprintf( g_h3, "sip:0.0.0.0:%d",LocalPort );
char *proxy = NULL;
if (ProxyPort == 5060) {
proxy = su_sprintf( g_h3, "sip:%s", Proxy);
} else {
proxy = su_sprintf( g_h3, "sip:%s:%d" ,Proxy, ProxyPort );
}
char *route = su_sprintf( g_h3, "<%s;lr>",proxy);
nua_t *n = nua_create(r, nua_callback3 ,NULL,
/*NTATAG_SIPFLAGS(MSG_FLG_COMPACT),*/ NTATAG_DEFAULT_PROXY(proxy),
TPTAG_TOS(160), SIPTAG_USER_AGENT_STR(UserAgent), NUTAG_URL(url), TAG_END());
nua_handle_t *nrh = nua_handle( n, NULL, TAG_END());
nua_handle_t *nsh = nua_handle( n, NULL, TAG_END());
char *reg = su_sprintf( g_h3, "sip:[EMAIL PROTECTED]",UserName,Domain);
char *expires = su_sprintf( g_h3, "expires=%d",Expires);
nua_register( nrh, SIPTAG_FROM_STR(reg),
SIPTAG_ROUTE_STR(route),
SIPTAG_TO_STR(reg),
NUTAG_M_FEATURES(expires),
NUTAG_PATH_ENABLE(0),
TAG_END() );
su_root_sleep(r, 2000);
nua_subscribe(nsh,
NUTAG_URL(reg),
SIPTAG_ROUTE_STR(route),
SIPTAG_FROM_STR(reg),
SIPTAG_TO_STR(reg),
SIPTAG_EXPIRES_STR("3600"),
SIPTAG_EVENT_STR("presence.winfo"),
SIPTAG_ACCEPT_STR("application/watcherinfo+xml"),
TAG_END());
su_root_sleep(r, 4000);
nua_unsubscribe(nsh,
SIPTAG_EVENT_STR("presence.winfo"),
TAG_END());
su_root_sleep(r, 2000);
nua_unregister( nrh, TAG_END() );
su_root_sleep(r, 2000);
nua_handle_destroy( nrh );
nua_handle_destroy( nsh );
nua_shutdown(n);
su_root_sleep(r, 2000);
nua_destroy(n);
su_root_destroy(r);
su_home_unref( g_h3 );
su_deinit();
getchar();
return 0;
}
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