Method isRequest

SIP/SIPMessage.h:85–85

Accessors:

	// Accessors:
	bool isRequest() { return msmCode == 0; }
	string smGetRemoteTag() { return isRequest() ? msmFrom.mTag : msmTo.mTag; }
	string smGetLocalTag() { return isRequest() ? msmTo.mTag : msmFrom.mTag; }
	string smCSeqMethod() const { return msmCSeqMethod; }