www.ExamPointers.com - G.711 Codec 30ms

Last Updated: Thursday, 16 February 2006 By: Steve Warner


	VoIP
	QoS
	G.711 20ms Codec
	G.711 30ms Codec
	G.729 20ms Codec
	G.729 30ms Codec

Codec

G.711 30ms	IP	Ipsec	HDLC	FRF.12	FRF.12 c/RTP	Ethernet	E+Ipsec	GRE	L2TP
Payload	30ms	30ms	30ms	30ms	30ms	30ms	30ms	30ms	30ms
No. Samples	33	33	33	33	33	33	33	33	33
codec	64000	64000	64000	64000	64000	64000	64000	64000	64000

ethernet						18	18
HDLC			4
FRF.12				7	7			7	7
cRTP					-38
ipsec		48					48
ip	20	20	20	20	20	20	20	20	20
udp	8	8	8	8	8	8	8	8	8
rtp	12	12	12	12	12	12	12	12	12
gre								32
l2tp									40
payload	240	240	240	240	240	240	240	240	240

packetsize	280	328	284	287	249	298	346	319	327
bps	74667	87467	75733	76533	66400	79467	92267	85067	87200
increase	117%	137%	118%	120%	104%	124%	144%	133%	136%

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