Control Timer Values (Sec) - Cisco 521SG - Unified IP Phone VoIP Administration Manual

Configuring Regional Parameters and Supplementary Services

Control Timer Values (sec)

Control Timer Values (sec)
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide
The table describes Control Timer parameters.
Field
Reorder Delay
Call Back Expires
Call Back Retry
Intvl
Call Back Delay
Interdigit Long
Timer
Description
Delay after far end hangs up before reorder (busy) tone is
played. Ranges from 0 to 255 seconds.
0 = play immediately
inf = never play
255 = return the phone immediately to on-hook
status and do not play the tone.
Defaults to 5.
Expiration time of a call back activation request. Ranges
from 0 to 65535 seconds. Defaults to 1800.
The interval between call back retry requests. Ranges from
0 to 255 seconds. Defaults to 30.
Delay after receiving the first SIP 18x response before
declaring the remote end is ringing. If a busy response is
received during this time, the Cisco SPA IP phones still
consider the call as failed and continues to retry. Defaults to
0.5.
Long timeout between entering digits when dialing. The
interdigit timer values are used as defaults when dialing.
Interdigit Long Timer
The
valid matching sequences in the dial plan are incomplete as
dialed. Ranges from 0 to 64 seconds.
Setting this value high can result in a longer post dialing
delay (PDD), which is the time between the start of a call
and the time the phone starts ringing. A value that is too low
can result in dialed digits not being correctly recognized.
Defaults to 10.
is used after any one digit, if all
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