314
VoIP Profile Configuration
Mode
Configure
Command
Purpose
Step 1
node
(cfg)#profile voip
name
Create a VoIP profile with name
name
and enter
VoIP profile configuration mode
Step 2
node
(pf-voip)[
name
]#...
Configuration Steps as described in the chapters
below
Example: Creating a VoIP profile
This example shows how to create a VoIP profile named
ISoIPProfile
and enter VoIP profile
configuration mode.
SN>
enable
SN#
configure
SN(cfg)#
profile voip ISoIPProfile
SN(pf-voip)[ISoIPPr~]#
...
32.4 Enable DTMF Relay
Dual tone multi-frequency (DTMF) tones are usually transported accurately in band when using
high-bit-rate voice codecs such as G.711. Low-bit-rate codecs such as G.729 and G.723.1 are highly
optimized for voice patterns and tend to distort DTMF tones. The dtmf relay command solves the
problem of DTMF distortion by transporting DTMF tones out-of-band or separate from the encoded
voice stream as illustrated in Figure 32-2. H.323 signals the DTMF tones as H.245 User Input
Indications (more precisely as Basic Strings) as most H.323 gateways do.
Figure 32-2: DTMF Relay
Procedure
To enable DTMF relay
Mode
Profile VoIP
Command
Purpose
Step 1
node
(pf-voip)[
name
]#dtmf-relay
Enable DTMF relay
Step 2
node
(pf-voip)[
name
]#exit
Step 3
node
(cfg)#context cs
Optional:
Change to CS interface configuration mode to
overwrite the settings in the VoIP profile in a
Software Configuration Guide Release 2.10, Revision 1.00
Содержание SmartWare Release 2.10
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