3 files changed, 19 insertions, 6 deletions
diff --git a/src/app.c b/src/app.c
index 747625e..81b3dfc 100644
--- a/src/app.c
+++ b/src/app.c
@@ -22,6 +22,7 @@
 #include "call.h"
 #include "logging.h"
 #include "mncc.h"
+#include "mncc_protocol.h"
 
 void app_mncc_disconnected(struct mncc_connection *conn)
 {
@@ -72,3 +73,18 @@ void app_route_call(struct call *call, const char *source, const char *dest)
 		call_leg_release(call->initial);
 	}
 }
+
+const char *app_media_name(int ptmsg)
+{
+	if (ptmsg == GSM_TCHF_FRAME)
+		return "GSM";
+	if (ptmsg == GSM_TCHF_FRAME_EFR)
+		return "GSM-EFR";
+	if (ptmsg == GSM_TCHH_FRAME)
+		return "GSM-HR-08";
+	if (ptmsg == GSM_TCH_FRAME_AMR)
+		return "AMR";
+
+	LOGP(DAPP, LOGL_ERROR, "Unknown ptmsg(%d). call broken\n", ptmsg);
+	return "unknown";
+}
diff --git a/src/app.h b/src/app.h
index 6bdc118..f570d7a 100644
--- a/src/app.h
+++ b/src/app.h
@@ -29,3 +29,5 @@ void app_setup(struct app_config *cfg);
 void app_route_call(struct call *call, const char *source, const char *port);
 
 void app_mncc_disconnected(struct mncc_connection *conn);
+
+const char *app_media_name(int pt_msg);
diff --git a/src/sip.c b/src/sip.c
index 0a53e28..b5a9d5c 100644
--- a/src/sip.c
+++ b/src/sip.c
@@ -223,18 +223,13 @@ static void sip_release_call(struct call_leg *_leg)
 	}
 }
 
-static const char *media_name(int ptmsg)
-{
-	return "GSM";
-}
-
 static int send_invite(struct sip_agent *agent, struct sip_call_leg *leg,
 			const char *calling_num, const char *called_num)
 {
 	struct call_leg *other = leg->base.call->initial;
 	struct in_addr net = { .s_addr = ntohl(other->ip) };
 
-	leg->wanted_codec = media_name(other->payload_msg_type);
+	leg->wanted_codec = app_media_name(other->payload_msg_type);
 
 	char *from = talloc_asprintf(leg, "sip:%s@%s",
 				calling_num,