diff --git a/src/lynq/lib/liblynq-call/lynq_call.cpp b/src/lynq/lib/liblynq-call/lynq_call.cpp
index d973bc7..65ce400 100755
--- a/src/lynq/lib/liblynq-call/lynq_call.cpp
+++ b/src/lynq/lib/liblynq-call/lynq_call.cpp
@@ -797,8 +797,6 @@
         return LYNQ_E_INNER_ERROR;
     }      
 
-    lynq_init_rtp();
-
     g_module_init_flag = MODULE_RUNNING;
     return 0;
 }
@@ -810,8 +808,7 @@
        LYERRLOG("module state is %d",g_module_init_flag);
        return LYNQ_E_CONFLICT;
     }      
-    lynq_call_hungup_all();  
-    lynq_set_voice_audio_mode(AUDIO_MODE_CODEC);
+    lynq_call_hungup_all();      
     g_module_init_flag = MODULE_SWITCHING;
     lynq_close_all_urc_socket_thread();
     lynq_close_all_rc_socket_thread();