[#1722] Chage AudioRtpInit from answer to mod_on_rx_request

sflphone-common/src/audio/audiortp/AudioRtpFactory.h

@@ -90,6 +90,15 @@ namespace sfl {
         */  
         inline void * getAudioRtpSession(void) { return _rtpSession; }
 
+	/** 
+        * @param None
+        * @return The internal audio rtp session type 
+	*         Symmetric = 0
+        *         Zrtp = 1
+        *         Sdes = 2 
+        */  
+        inline RtpMethod getAudioRtpType(void) { return _rtpSessionType; }
+ 
         /**
          * Get the current AudioZrtpSession. Throws an AudioRtpFactoryException
          * if the current rtp thread is null, or if it's not of the correct type.

sflphone-common/src/sip/sipvoiplink.cpp

@@ -809,11 +809,13 @@ SIPVoIPLink::answer (const CallID& id)
 
     local_sdp = call->getLocalSDP();
 
+    /*
     try {
         call->getAudioRtp()->initAudioRtpSession (call);
     } catch (...) {
         _debug ("Failed to create rtp thread from answer");
     }
+    */
 
     inv_session = call->getInvSession();
 
@@ -3628,6 +3630,12 @@ mod_on_rx_request (pjsip_rx_data *rdata)
     // We retrieve the remote sdp offer in the rdata struct to begin the negociation
     call->getLocalSDP()->set_ip_address (addrSdp);
 
+    try {
+        call->getAudioRtp()->initAudioRtpSession (call);
+    } catch (...) {
+        _debug ("Failed to create rtp thread from answer");
+    }
+
     get_remote_sdp_from_offer (rdata, &r_sdp);
 
     status = call->getLocalSDP()->receiving_initial_offer (r_sdp);