add sip_append_audio_sdp var

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16537 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/mod/endpoints/mod_sofia/sofia_glue.c b/src/mod/endpoints/mod_sofia/sofia_glue.c
index fec804ab786863d6d15be5a3260bb9887a7b4684..4d8f00766c9ba5899d01db2e6f4b2af67d992a64 100644 (file)
--- a/src/mod/endpoints/mod_sofia/sofia_glue.c
+++ b/src/mod/endpoints/mod_sofia/sofia_glue.c
@@ -130,6 +130,7 @@ void sofia_glue_set_local_sdp(private_object_t *tech_pvt, const char *ip, uint32
        const char *family;
        const char *pass_fmtp = switch_channel_get_variable(tech_pvt->channel, "sip_video_fmtp");
        const char *ov_fmtp = switch_channel_get_variable(tech_pvt->channel, "sip_force_video_fmtp");
+       const char *append_audio = switch_channel_get_variable(tech_pvt->channel, "sip_append_audio_sdp");
        char srbuf[128] = "";
        const char *var_val;
        const char *username = tech_pvt->profile->username;
@@ -289,6 +290,10 @@ void sofia_glue_set_local_sdp(private_object_t *tech_pvt, const char *ip, uint32
                switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=silenceSupp:off - - - -\n");
        }
 
+       if (append_audio) {
+               switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%s%s", append_audio, end_of(append_audio) == '\n' ? "" : "\n");
+       }
+       
        if (ptime) {
                switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=ptime:%d\n", ptime);
        }