Method newSipDialogMOC

SIP/SIPDialog.cpp:185–228

Open an MOC [Mobile Originated Call] dialog and send the invite.

// Open an MOC [Mobile Originated Call] dialog and send the invite.
SipDialog *SipDialog::newSipDialogMOC(
	TranEntryId tranid,
	const FullMobileId &fromMsId,			// caller imsi
	const string &wCalledDigits,		// number being called, or empty for an emergency call.
	CodecSet wCodecs,				// phone capabilities
	L3LogicalChannel *chan
	)
{

#ifdef C_CRELEASE
	LOG(DEBUG) << "MOC SIP (INVITE)"<<LOGVAR(fromMsId)<<LOGVAR2("called",wCalledDigits) <<LOGVAR(isEmergency);
	// TODO: The SIPEngine constructor calls sipSetUser.  FIX IT.  Maybe I just need to replace SIPEngine.
	const char *proxyOption = isEmergency ? "SIP.Proxy.Emergency" : "SIP.Proxy.Speech";
#else
	LOG(DEBUG) << "MOC SIP (INVITE)"<<LOGVAR(fromMsId)<<LOGVAR2("called",wCalledDigits);
	// TODO: The SIPEngine constructor calls sipSetUser.  FIX IT.  Maybe I just need to replace SIPEngine.
	const char *proxyOption = "SIP.Proxy.Speech";
#endif

	string proxy = gConfig.getStr(proxyOption);
	LOG(DEBUG) << LOGVAR(proxyOption) <<LOGVAR(proxy);
	if (proxy.length() > 259) {	// TODO: This should be in the config checker, if anywhere.
		LOG(ALERT) << "Configured " <<proxyOption <<" hostname is greater than 253 bytes!"; 
	} 

	SipDialog *dialog = new SipDialog(SIPDTMOC,proxy,proxyOption);
	dialog->dsSetLocalMO(fromMsId,true);

	{
		gReports.incr("OpenBTS.SIP.INVITE.Out");
		dialog->dsSetRemoteUri(makeUri(wCalledDigits,dialog->localIP()));
	}

	dialog->mRTPPort = Control::allocateRTPPorts();
	dialog->mCodec = wCodecs;

	// Must lock once we do dmAddCallDialog to prevent the SIPInterface threads from accessing this dialog
	// while we finish construction.
	ScopedLock lock(dialog->mDialogLock,__FILE__,__LINE__);	// Must lock before dmAddCallDialog.
	gSipInterface.dmAddCallDialog(dialog);
	gNewTransactionTable.ttSetDialog(tranid,dialog);		// Must do this before the dialog receives any messages.
	dialog->MOCSendINVITE(chan);
	return dialog;
}

// This is called in BS2 after a handover complete is received.  It is an inbound handover, but an outoing MO re-INVITE.
// We take the SIP REFER message created by BS1 and send it to the SIP server as a re-INVITE.