320
VoIP Profile Configuration
Step 5
node
(ctx-cs)[switch]#interface
isoip
name
or
node
(ctx-cs)[switch]#interface h323
name
overwrite the settings in the VoIP profile in a
specific CS interface
Step 6
node
(if-
type
)[
if-name
]#dejitter-
mode
mode
Specify the dejitter buffer for a specific H.323 or
ISoIP interface
Step 7
node
(if-
type
)[
if-name
]#dejitter-
max-delay
max-delay
Specify max delay for the dejitter buffer for the
specific H.323 or ISoIP interface
Example: Configure Dejitter Buffer
The following example shows how to define an adaptive dejitter buffer with a maximum delay of 80
ms for the VoIP profile and 40 ms for a specify ISoIP interface
SN>
enable
SN#
configure
SN(cfg)#
profile voip ISoIPProfile
SN(pf-voip)[ISoIPPr~]#
dejitter-mode adaptive
SN(pf-voip)[ISoIPPr~]#
dejitter-max-delay 80
SN(pf-voip)[ISoIPPr~]#
exit
SN(cfg)#
context cs
SN(ctx-cs)[switch]#
interface isoip AccessGateway
SN(if-isoip)[AccessG~]#
dejitter-mode adaptive
SN(if-isoip)[AccessG~]#
dejitter-max-delay 40
SN(if-isoip)[AccessG~]#
32.9 Enable/Disable Filters (Advanced)
The voice decoder output is normally filtered using a perceptual post-filter to improve voice quality.
Likewise a high pass filter is normally used to cancel noises at the coder input. When the
communication channels includes several tandems of SmartNodes as illustrated in Figure 32-7,
sequential post filtering or high pass filtering can cause quality degradation. In this case, the user can
choose to disable the post- and the high-pass-filter.
Figure 32-7: Multiple Tandem and sequential Post Filtering
Note:
Filtering occurs only with G.723 and G.729 codecs and could only be configured for an VoIP
profile and not for an H.323 or ISoIP interface.
Software Configuration Guide Release 2.10, Revision 1.00
Содержание SmartWare Release 2.10
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