Specifications

Chapter 6 Configuring VoIP
Configure Voice Ports
6-26
Catalyst 4224 Access Gateway Switch Software Configuration Guide
OL-2031-02
Step 3
Specify (in dB) the amount of
gain to be inserted at the
receiver side of the interface.
input gain value
–6 to 14 dB 0 dB
Step 4
Specify (in dB) the amount of
attenuation at the transmit side
of the interface.
output attenuation value
0 to 14 dB 0 dB
Step 5
Enable echo-cancellation of
voice that is sent out of the
interface and received back on
the same interface.
echo-cancel enable
Step 6
Adjust the size (in
milliseconds) of the
echo-cancel.
echo-cancel coverage value
8, 16, 24, and
32 ms
16 ms
Step 7
Enable nonlinear processing,
which shuts off any signal if no
near-end speech is detected.
(Nonlinear processing is used
with echo-cancellation.)
non-linear
Step 8
Specify the number of seconds
the system will wait for the
caller to input the first digit of
the dialed digits.
timeouts initial seconds
0 to 120 sec 10 sec
Step 9
Specify the number of seconds
the system will wait (after the
caller has input the initial digit)
for the caller to input a
subsequent digit.
timeouts interdigit
seconds
0 to 120 sec 10 sec
Step 10
If the voice-port dial type is
DTMF, configure the DTMF
digit signal duration.
timing digit milliseconds
50 to 100 ms 100 ms
Step 11
If the voice-port dial type is
DTMF, configure the DTMF
inter-digit signal duration.
timing inter-digit
milliseconds
50 to 500 ms 100 ms
Table 6-4 Commands to Fine Tune FXS and FXO Voice Ports (continued)
Task Command Valid Entries
Default
Value