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Implement somewhat improved support for 481 Call leg does not exist responses... 

- There are some questions on what to do here, but it is a first step.


git-svn-id: http://svn.digium.com/svn/asterisk/trunk@21131 f38db490-d61c-443f-a65b-d21fe96a405b
This commit is contained in:
oej 2006-04-18 14:50:30 +00:00
parent d982dbbcce
commit 8864116d9d
1 changed files with 32 additions and 3 deletions
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35
channels/chan_sip.c
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@ -10268,6 +10268,8 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
if (sipmethod == SIP_MESSAGE) {
/* We successfully transmitted a message */
ast_set_flag(&p->flags[0], SIP_NEEDDESTROY);
} else if (sipmethod == SIP_INVITE) {
handle_response_invite(p, resp, rest, req, seqno);
} else if (sipmethod == SIP_NOTIFY) {
/* They got the notify, this is the end */
if (p->owner) {
@ -10278,9 +10280,7 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
ast_set_flag(&p->flags[0], SIP_NEEDDESTROY);
}
}
} else if (sipmethod == SIP_INVITE)
handle_response_invite(p, resp, rest, req, seqno);
else if (sipmethod == SIP_REGISTER)
} else if (sipmethod == SIP_REGISTER)
res = handle_response_register(p, resp, rest, req, ignore, seqno);
break;
case 202: /* Transfer accepted */
@ -10336,6 +10336,35 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
} else /* We can't handle this, giving up in a bad way */
ast_set_flag(&p->flags[0], SIP_NEEDDESTROY);
break;
case 481: /* Call leg does not exist */
if (sipmethod == SIP_INVITE) {
/* First we ACK */
transmit_request(p, SIP_ACK, seqno, 0, 0);
ast_log(LOG_WARNING, "INVITE with REPLACEs failed to '%s'\n", get_header(&p->initreq, "From"));
if (owner)
ast_queue_control(p->owner, AST_CONTROL_CONGESTION);
sip_scheddestroy(p, SIP_TRANS_TIMEOUT);
} else if (sipmethod == SIP_REFER) {
/* A transfer with Replaces did not work */
/* OEJ: We should Set flag, cancel the REFER, go back
to original call - but right now we can't */
ast_log(LOG_WARNING, "Remote host can't match request %s to call '%s'. Giving up.\n", sip_methods[sipmethod].text, p->callid);
if (owner)
ast_queue_control(p->owner, AST_CONTROL_CONGESTION);
ast_set_flag(&p->flags[0], SIP_NEEDDESTROY);
} else if (sipmethod == SIP_BYE) {
/* The other side has no transaction to bye,
just assume it's all right then */
ast_log(LOG_WARNING, "Remote host can't match request %s to call '%s'. Giving up.\n", sip_methods[sipmethod].text, p->callid);
} else if (sipmethod == SIP_CANCEL) {
/* The other side has no transaction to cancel,
just assume it's all right then */
ast_log(LOG_WARNING, "Remote host can't match request %s to call '%s'. Giving up.\n", sip_methods[sipmethod].text, p->callid);
} else {
ast_log(LOG_WARNING, "Remote host can't match request %s to call '%s'. Giving up.\n", sip_methods[sipmethod].text, p->callid);
/* Guessing that this is not an important request */
}
break;
case 491: /* Pending */
if (sipmethod == SIP_INVITE)