Loop	E2E

Without delaybuf:
	WMME:	181	380
			350
	DSound:	172	361
			350

With delaybuf:
	WMME:	182	370
	Dsound	182	350


m
sip:localhost
sleep 200
cd 0 3
cd 2 0
cc 0 1


pjsua_vc6 --ec-tail 0 --rec-file rec.wav --add-codec pcmu --auto-answer 200 --no-vad --app-log-level  5

 20:28:00.652       snd_buff Delay buffer start running, level=4