[#1722] Use getLocalSSRCNetwork() to identify crypto context for in out RTP

sflphone-common/src/audio/audiortp/AudioSrtpSession.cpp

@@ -43,6 +43,7 @@ AudioSrtpSession::AudioSrtpSession (ManagerImpl * manager, SIPCall * sipcall) :
     initializeMasterSalt();
     initializeInputCryptoContext();
     initializeOutputCryptoContext();
+
     outputCryptoCtx->deriveSrtpKeys(0);
 
     setInQueueCryptoContext(inputCryptoCtx);
@@ -71,7 +72,7 @@ void AudioSrtpSession::initializeMasterSalt(void)
 void AudioSrtpSession::initializeInputCryptoContext(void)
 {
 
-    inputCryptoCtx = new ost::CryptoContext(0x12345678,
+    inputCryptoCtx = new ost::CryptoContext(getLocalSSRCNetwork(),
 					    0,                           // roc,
 					    0L,                          // keydr,
 					    SrtpEncryptionAESCM,         // encryption algo
@@ -89,7 +90,7 @@ void AudioSrtpSession::initializeInputCryptoContext(void)
 void AudioSrtpSession::initializeOutputCryptoContext(void)
 {
 
-    outputCryptoCtx = new ost::CryptoContext(0x12345678,
+    outputCryptoCtx = new ost::CryptoContext(getLocalSSRCNetwork(),
 					     0,                           // roc,
 					     0L,                          // keydr,
 					     SrtpEncryptionAESCM,         // encryption algo