On Mon, Jul 21, 2008 at 11:49 PM, Magnus Correa Marques Russo
<[EMAIL PROTECTED]> wrote:
> Hello,
> it seems that Sofia-sip is not including a tag in the field "To" when
> answering a CANCEL,
Hi all,
I have also been having this problem and have come up with a hack to
make it work. I'm attaching the patch that I've applied to my stack
which apparently does the job. Please take a look and see if it's
useful.
Thanks.
Fabio
--- nta.c 2008-07-31 10:11:48.000000000 -0300
+++ nta.c.new 2008-07-31 14:46:55.000000000 -0300
@@ -181,6 +181,8 @@
sip_call_id_t const *i,
char const *from_tag,
char const *to_tag);
+static nta_leg_t *leg_find_call_id(nta_agent_t const *sa,
+ sip_call_id_t const *i);
static nta_leg_t *dst_find(nta_agent_t const *sa, url_t const *u0,
char const *method);
static void leg_recv(nta_leg_t *, msg_t *, sip_t *, tport_t *);
@@ -3075,6 +3077,17 @@
SU_DEBUG_3(("%s: no Via\n", __func__));
}
else {
+ if (sip->sip_status && sip->sip_status->st_status > 100 &&
+ sip->sip_to && !sip->sip_to->a_tag &&
+ sip->sip_cseq && sip->sip_cseq->cs_method == sip_method_cancel) {
+ nta_leg_t *leg = leg_find_call_id(agent, sip->sip_call_id);
+ if (leg && leg->leg_local && leg->leg_local->a_tag) {
+ sip_to_tag(msg_home(reply), sip->sip_to, leg->leg_local->a_tag);
+ } else {
+ SU_DEBUG_3(("%s: cannot add To tag in CANCEL reply\n", __func__));
+ }
+ }
+
if (tport == NULL)
tport = tport_delivered_by(agent->sa_tports, req_msg);
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