/// <summary> /// 该函数用于发送subscribe消息 /// </summary> public EM_SIP_RESULT SIP_SDK_Subscribe(string pBody) { NLogEx.LoggerEx logEx = new NLogEx.LoggerEx(log); logEx.Trace("Enter: SipStackAdapter.SIP_SDK_Subscribe()."); EM_SIP_RESULT iRet = EM_SIP_RESULT.RET_FAILURE; try { iRet = SipSDKInterface.SIP_SDK_Subscribe(pBody); if (iRet != EM_SIP_RESULT.RET_SUCCESS) { logEx.Error("SipStackAdapter.SIP_SDK_Subscribe ,pBody:{0}", pBody); } } catch (System.Exception ex) { logEx.Error("SipStackAdapter.SIP_SDK_Subscribe ,Exception:{0}", ex.ToString()); iRet = EM_SIP_RESULT.RET_FAILURE; } return(iRet); }