User guide
44
dtmf detect abcd DTMF detection enable for ABCD 
dual tone pairs
Enabled
dtmf generate abcd DTMF generation enable for 
ABCD dual tone pairs
Enabled
dtmf pad duration DTMF out-of-band on time in 
msec
100
dtmf wait duration DTMF out-of-band off time in 
msec
50
dtmf playout min duration  DTMF out-of-band minimum on 
time in msec
100
Timers:
Parameter Description Default
ipbx brief pause duration Time in 10 msec units before 
tone
50
ipbx initial dial duration Timeout in 10 msec units from 
off-hooktorstdialeddigit
1500
ipbx warm line duration Timeout in 10 msec units from 
off-hooktorstdialeddigit
before warm dial
400
ipbx interdigit duration Timeout in 10 msec units be-
tween digits after dial string al-
ready matches a possible pattern
500
ipbx dialing duration Timeout in 10 msec units after 
each digit until next digit
1000
ipbx hangup disconnect duration Hangup disconnect duration in 
10 msec units
85
ipbx hangup silence duration Hangup silence duration in 10 
msec units
1000
ipbx pause wait duration DTMF dial string pause duration 
in 10 msec units
300
ipbx timeout tone duration Duration of busy in 10 msec units 
after aborted dialing or aborted 
answer (glare)
6000
ipbx timeout pause duration Pause in 10 msec units between 
busy and alert tone
100
ipbx timeout warning duration Duration of alerting tone in 10 
msec units when off hook for too 
long
0
ipbx timeout hold duration Duration of time in 10 msec units 
before call holding tone
1000
ipbx timeout hold drop duration Duration of time in 10 msec units 
before dropping holding call
6000
ipbx no answer duration No answer duration in seconds 20
ipbx call back duration Callback duration in seconds 1800
ipbx call back retry duration Callback retry duration in sec-
onds
30
ipbx call back ring wait duration Callback ring wait duration in 
seconds
1
ipbx message waiting refresh 
duration
Message waiting refresh duration 
in seconds
1800










