FS-3523 --resolve

diff --git a/src/mod/endpoints/mod_sofia/sofia_glue.c b/src/mod/endpoints/mod_sofia/sofia_glue.c
index a2101d73cc15a4e4c6e1650872f1402851872dff..eeffde9591afad7e3d67bd065dd0e572daca0d16 100644 (file)
--- a/src/mod/endpoints/mod_sofia/sofia_glue.c
+++ b/src/mod/endpoints/mod_sofia/sofia_glue.c
@@ -4847,10 +4847,17 @@ uint8_t sofia_glue_negotiate_sdp(switch_core_session_t *session, const char *r_s
                                        }
                                }
                        } else {
-                               switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "No 2833 in SDP.  Disable 2833 dtmf and switch to INFO\n");
-                               switch_channel_set_variable(tech_pvt->channel, "dtmf_type", "info");
-                               tech_pvt->dtmf_type = DTMF_INFO;
-                               te = tech_pvt->recv_te = tech_pvt->te = 0;
+                               /* by default, use SIP INFO if 2833 is not in the SDP */
+                               if (!switch_false(switch_channel_get_variable(channel, "sip_info_when_no_2833"))) {
+                                       switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "No 2833 in SDP.  Disable 2833 dtmf and switch to INFO\n");
+                                       switch_channel_set_variable(tech_pvt->channel, "dtmf_type", "info");
+                                       tech_pvt->dtmf_type = DTMF_INFO;
+                                       te = tech_pvt->recv_te = tech_pvt->te = 0;
+                               } else {
+                                       switch_channel_set_variable(tech_pvt->channel, "dtmf_type", "none");
+                                       tech_pvt->dtmf_type = DTMF_NONE;
+                                       te = tech_pvt->recv_te = tech_pvt->te = 0;
+                               }
                        }