fix(proxy-engine,codec-lib,sip-proto,ts): preserve negotiated media details and improve RTP audio handling across call legs

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: 'siprouter',
-  version: '1.17.0',
+  version: '1.17.1',
   description: 'undefined'
 }

ts/sipproxy.ts

@@ -425,9 +425,9 @@ async function startProxyEngine(): Promise<void> {
         id: data.leg_id,
         type: data.kind,
         state: data.state,
-        codec: null,
-        rtpPort: null,
-        remoteMedia: null,
+        codec: data.codec ?? null,
+        rtpPort: data.rtpPort ?? null,
+        remoteMedia: data.remoteMedia ?? null,
         metadata: data.metadata || {},
       });
     }