diff --git a/src/mod/codecs/mod_ilbc/mod_ilbc.c b/src/mod/codecs/mod_ilbc/mod_ilbc.c
index 4d52ba9944..23ca642c22 100644
--- a/src/mod/codecs/mod_ilbc/mod_ilbc.c
+++ b/src/mod/codecs/mod_ilbc/mod_ilbc.c
@@ -163,7 +163,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_ilbc_load)
 										 "mode=30",	/* default fmtp to send (can be overridden by the init function) */
 										 8000,	/* samples transferred per second */
 										 8000,	/* actual samples transferred per second */
-										 13300,	/* bits transferred per second */
+										 13330,	/* bits transferred per second */
 										 30000,	/* number of microseconds per frame */
 										 ILBC_BLOCK_LEN_30MS,	/* number of samples per frame */
 										 ILBC_BLOCK_LEN_30MS * 2,	/* number of bytes per frame decompressed */
diff --git a/src/mod/endpoints/mod_sofia/sofia_glue.c b/src/mod/endpoints/mod_sofia/sofia_glue.c
index 715b70f59d..ffba5ff0a3 100644
--- a/src/mod/endpoints/mod_sofia/sofia_glue.c
+++ b/src/mod/endpoints/mod_sofia/sofia_glue.c
@@ -3550,13 +3550,53 @@ void sofia_glue_set_r_sdp_codec_string(switch_core_session_t *session, const cha
 					}
 
 					if (match) {
-						if (ptime > 0) {
-							switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), ",%s@%uh@%di", imp->iananame, (unsigned int) map->rm_rate,
-											ptime);
-						} else {
-							switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), ",%s@%uh", imp->iananame, (unsigned int) map->rm_rate);
+						int codec_ms = ptime;
+						uint32_t map_bit_rate = 0;
+						char ptstr[20] = "";
+						char ratestr[20] = "";
+						char bitstr[20] = "";
+						switch_codec_fmtp_t codec_fmtp = { 0 };
+						
+						if (!codec_ms) {
+							codec_ms = switch_default_ptime(map->rm_encoding, map->rm_pt);
 						}
-						already_did[imp->ianacode] = 1;
+
+						map_bit_rate = switch_known_bitrate(map->rm_pt);
+				
+						if (!ptime && !strcasecmp(map->rm_encoding, "g723")) {
+							ptime = codec_ms = 30;
+						}
+				
+						if (zstr(map->rm_fmtp)) {
+							if (!strcasecmp(map->rm_encoding, "ilbc")) {
+								ptime = codec_ms = 30;
+								map_bit_rate = 13330;
+							}
+						} else {
+							if ((switch_core_codec_parse_fmtp(map->rm_encoding, map->rm_fmtp, map->rm_rate, &codec_fmtp)) == SWITCH_STATUS_SUCCESS) {
+								if (codec_fmtp.bits_per_second) {
+									map_bit_rate = codec_fmtp.bits_per_second;
+								}
+								if (codec_fmtp.microseconds_per_packet) {
+									codec_ms = (codec_fmtp.microseconds_per_packet / 1000);
+								}
+							}
+						}
+
+						if (map->rm_rate) {
+							switch_snprintf(ratestr, sizeof(ratestr), "@%uh", (unsigned int) map->rm_rate);
+						}
+
+						if (codec_ms) {
+							switch_snprintf(ptstr, sizeof(ptstr), "@%di", codec_ms);
+						}
+
+						if (map_bit_rate) {
+							switch_snprintf(bitstr, sizeof(bitstr), "@%db", map_bit_rate);
+						}
+
+						switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), ",%s%s%s%s", map->rm_encoding, ratestr, ptstr, bitstr);
+						
 						break;
 					}
 				}
@@ -4378,6 +4418,7 @@ uint8_t sofia_glue_negotiate_sdp(switch_core_session_t *session, const char *r_s
 				if (zstr(map->rm_fmtp)) {
 					if (!strcasecmp(map->rm_encoding, "ilbc")) {
 						ptime = codec_ms = 30;
+						map_bit_rate = 13330;
 					}
 				} else {
 					if ((switch_core_codec_parse_fmtp(map->rm_encoding, map->rm_fmtp, map->rm_rate, &codec_fmtp)) == SWITCH_STATUS_SUCCESS) {
@@ -4389,8 +4430,6 @@ uint8_t sofia_glue_negotiate_sdp(switch_core_session_t *session, const char *r_s
 						}
 					}
 				}
-				
-				
 
 				for (i = first; i < last && i < tech_pvt->num_codecs; i++) {
 					const switch_codec_implementation_t *imp = tech_pvt->codecs[i];
@@ -4401,7 +4440,7 @@ uint8_t sofia_glue_negotiate_sdp(switch_core_session_t *session, const char *r_s
 					}
 
 					switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Audio Codec Compare [%s:%d:%u:%d:%u]/[%s:%d:%u:%d:%u]\n",
-									  rm_encoding, map->rm_pt, (int) map->rm_rate, ptime, map_bit_rate,
+									  rm_encoding, map->rm_pt, (int) map->rm_rate, codec_ms, map_bit_rate,
 									  imp->iananame, imp->ianacode, codec_rate, imp->microseconds_per_packet / 1000, bit_rate);
 					if ((zstr(map->rm_encoding) || (tech_pvt->profile->ndlb & PFLAG_NDLB_ALLOW_BAD_IANANAME)) && map->rm_pt < 96) {
 						match = (map->rm_pt == imp->ianacode) ? 1 : 0;