diff --git a/src/mod/applications/mod_dptools/mod_dptools.c b/src/mod/applications/mod_dptools/mod_dptools.c
index 94facf80e4..e786ecd77a 100644
--- a/src/mod/applications/mod_dptools/mod_dptools.c
+++ b/src/mod/applications/mod_dptools/mod_dptools.c
@@ -603,7 +603,10 @@ SWITCH_STANDARD_APP(set_name_function)
 
 SWITCH_STANDARD_APP(answer_function)
 {
-	switch_channel_answer(switch_core_session_get_channel(session));
+	switch_channel_t *channel = switch_core_session_get_channel(session);
+	switch_channel_clear_flag(channel, CF_PROXY_MEDIA);
+	switch_channel_clear_flag(channel, CF_PROXY_MODE);
+	switch_channel_answer(channel);
 }
 
 SWITCH_STANDARD_APP(presence_function)
@@ -628,7 +631,10 @@ SWITCH_STANDARD_APP(presence_function)
 
 SWITCH_STANDARD_APP(pre_answer_function)
 {
-	switch_channel_pre_answer(switch_core_session_get_channel(session));
+	switch_channel_t *channel = switch_core_session_get_channel(session);
+	switch_channel_clear_flag(channel, CF_PROXY_MEDIA);
+	switch_channel_clear_flag(channel, CF_PROXY_MODE);
+	switch_channel_pre_answer(channel);
 }
 
 SWITCH_STANDARD_APP(redirect_function)
diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.c b/src/mod/endpoints/mod_sofia/mod_sofia.c
index 902bfbf3bc..b8fe0f1b3f 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.c
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.c
@@ -1108,7 +1108,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 						}
 					}
 				} else {
-					if (switch_test_flag(tech_pvt, TFLAG_LATE_NEGOTIATION)) {
+					if (switch_test_flag(tech_pvt, TFLAG_LATE_NEGOTIATION) || !tech_pvt->iananame) {
 						switch_clear_flag_locked(tech_pvt, TFLAG_LATE_NEGOTIATION);
 						if (!switch_channel_test_flag(tech_pvt->channel, CF_OUTBOUND)) {
 							const char *r_sdp = switch_channel_get_variable(channel, SWITCH_R_SDP_VARIABLE);