Cisco Cisco IOS Software Release 12.4(2)XB6
G.722-64 and iLBC Codec Support on Cisco Unified Border Elements, DSP Farms, and Voice Gateways
How to Configure G.722-64 and iLBC Codecs for Voice Gateways
3
G.722-64 and iLBC Codec Support on Cisco Unified Border Elements, DSP Farms, and Voice Gateways
Transcoding
G.711 a-law/u-law
<->
G.729a/G.729ab/
GSM FR
<->
G.729a/G.729ab/
GSM FR
8 sessions
24 sessions
128 sessions
64 sessions
96 sessions
128 sessions
G.711 a-law/u-law
<-> G.729/G.729b/
GSM EFR
<-> G.729/G.729b/
GSM EFR
6 sessions
18 sessions
96 sessions
48 sessions
72 sessions
96 sessions
G.722-64 <-> G.711 8 sessions
24 sessions
128 sessions
64 sessions
96 sessions
128 sessions
G.722-64<-> any
4 sessions
12 sessions
64 sessions
32 sessions
48 sessopms
64 sessions
iLBC <-> G.711
6 sessions
18 sessions
96 sessions
48 sessions
72 sessions
96 sessions
iLBC <-> any
3 sessions
9 sessions
48 sessions
24 sessions
36 sessions
48 sessions
Voice Termination
G.711 a-law/u-law
16 sessions
48 sessions
256 sessions
128 sessions
192 sessions
256 sessions
G.722-64, G.726,
G.729a, G.729ab,
iLBC
G.729a, G.729ab,
iLBC
8 sessions
24 sessions
128 sessions
64 sessions
96 sessions
128 sessions
G.729, G.729b,
G.723.1, G.728
G.723.1, G.728
6 sessions
18 sessions
96 sessions
48 sessions
72 sessions
96 sessions
Table 2
Theoretical System Capacities for One DSP
Application
G.711 a-law/u-law
G.722-64
G729 a/ab
G.729, G.729b
iLBC
Conferencing
8 sessions
(8 x 8 = 64
conferees)
(8 x 8 = 64
conferees)
2 sessions
(8 x 2 = 16
conferees)
(8 x 2 = 16
conferees)
2 sessions
(8 x 2 = 16
conferees)
(8 x 2 = 16
conferees)
2 sessions
(8 x 2 = 16
conferees)
(8 x 2 = 16
conferees)
1 session
(1 x 8 = 8
conferees)
(1 x 8 = 8
conferees)
Conferencing on
PVDM2-8
PVDM2-8
4 sessions
(4 x 8 = 32
conferees)
(4 x 8 = 32
conferees)
1 session
(1 x 8 = 8
conferees)
(1 x 8 = 8
conferees)
1 session
(1 x 8 = 8
conferees)
(1 x 8 = 8
conferees)
1 session
(1 x 8 = 8
conferees)
(1 x 8 = 8
conferees)
1 session
(1 x 8 = 8
conferees)
(1 x 8 = 8
conferees)
Hardware MTP
16 sessions
—
—
—
—
Transcoding
8 sessions
8 sessions
8 sessions
6 sessions
8 sessions
Table 1
DSP Theoretical Session Capacities (continued)
Application
NM-HD-1V/2V
(1 DSP)
(1 DSP)
NM-HD-2VE
(3 DSPs)
(3 DSPs)
NM-HDV2
(16 DSPs)
(16 DSPs)
2801/2811
(2 PVDM2-64)
(2 PVDM2-64)
2821/2851
(3 PVDM2-64)
(3 PVDM2-64)
3825, 3845
(4 PVDM2-64)
(4 PVDM2-64)