VoIP Profile Configuration
325
volume:
-9.5 dBm
jitter periond:
0 ms
bypass coder:
g711
error correction:
disabled
fax settings:
protocol:
T.38-TCP
max bit rate:
9600 bit/s
data settings:
modulation type:
single-frequency
max bit rate:
9600 bit/s
hdlc:
disabled
DTMF settings:
DTMF relay:
enabled
encoder mode:
muted
SN(pf-voip)[ISoIPPr~]#
exit
SN(cfg)#
gateway isoip isoip
SN(gw-isoip)[isoip]#
use voip-profile ISoIPProfile
SN(gw-isoip)[isoip]#
32.12 Example
32.12.1 Home Office in an Enterprise Network
Figure 32-9 is an example of a home office in an enterprise network. The connection bandwidth
amounts to 128 kBit/s and is very low quality. Therefore low-bit-rate codec G.723_5k3 is used which
is only supported on ISoIP. Likewise silence compression is also enabled. Because of the low-bit-rate
codec dtmf relay is enabled. 80 to 100 ms jitter is expected, therefore the dejitter buffer is set to
adaptive with a maximum delay of 100 ms. Because the wire causes a high alternation of the voice
signal, voice volume gain has to be set to 20 dB.
Figure 32-9: Home Office in an Enterprise Network
First we configure the required CS interfaces and call routing. In this chapter we focus on
configuring VoIP profiles, therefore we have omitted the configuration of the CS interfaces and call
routing.
Next we configure the voice over IP settings as needed from the description above. First we create
the VoIP profile with the needed configurations.
SN>
enable
SN#
configure
SN(cfg)#
profile voip Wire128kbit
SN(pf-voip)[Wire128~]#
silence-compression
Software Configuration Guide Release 2.10, Revision 1.00
Summary of Contents for SmartWare Release 2.10
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