fix some minor RTP issues

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4624 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_dingaling/mod_dingaling.c

@@ -778,6 +778,8 @@ static int activate_rtp(struct private_object *tech_pvt)
 			switch_rtp_enable_vad(tech_pvt->rtp_session, tech_pvt->session, &tech_pvt->read_codec, SWITCH_VAD_FLAG_TALKING);
 			switch_set_flag_locked(tech_pvt, TFLAG_VAD);
 		}
+		switch_rtp_set_cng_pt(tech_pvt->rtp_session, 13);
+		switch_rtp_set_telephony_event(tech_pvt->rtp_session, 101);
 	}
 
 	return 1;