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try to fix SOA problem with early and answer audio with dissimilar sdp

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This commit is contained in:
Anthony Minessale 2011-02-01 11:23:32 -06:00
parent 33848eb01c
commit 52bf0423e2
1 changed files with 14 additions and 5 deletions
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11
src/mod/endpoints/mod_sofia/mod_sofia.c
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@ -707,12 +707,21 @@ static switch_status_t sofia_answer_channel(switch_core_session_t *session)
cid = generate_pai_str(tech_pvt); cid = generate_pai_str(tech_pvt);
if (switch_channel_test_flag(tech_pvt->channel, CF_PROXY_MODE) && tech_pvt->early_sdp && strcmp(tech_pvt->early_sdp, tech_pvt->local_sdp_str)) { if (switch_channel_test_flag(tech_pvt->channel, CF_PROXY_MODE) && tech_pvt->early_sdp) {
char *a, *b;
/* start at the s= line to avoid some devices who update the o= between messages */
a = strstr(tech_pvt->early_sdp, "s=");
b = strstr(tech_pvt->local_sdp_str, "s=");
if (!a || !b || strcmp(a, b)) {
/* The SIP RFC for SOA forbids sending a 183 with one sdp then a 200 with another but it won't do us much good unless /* The SIP RFC for SOA forbids sending a 183 with one sdp then a 200 with another but it won't do us much good unless
we do so in this case we will abandon the SOA rules and go rogue. we do so in this case we will abandon the SOA rules and go rogue.
*/ */
sofia_clear_flag(tech_pvt, TFLAG_ENABLE_SOA); sofia_clear_flag(tech_pvt, TFLAG_ENABLE_SOA);
} }
}
if (sofia_use_soa(tech_pvt)) { if (sofia_use_soa(tech_pvt)) {
nua_respond(tech_pvt->nh, SIP_200_OK, nua_respond(tech_pvt->nh, SIP_200_OK,