Control Timer Values (Sec) - Cisco SPA303 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
• Segment 2: On=0.2s, Off=0.2s
• Segment 3: On=0.2s, Off=0.2s
• Segment 4: On=1.0s, Off=4.0s
• Total Ring Length=60s
The following table describes all control timer parameters. Each value is displayed
in seconds.
Field
Reorder Delay
Call Back Expires
Call Back Retry
Intvl
Call Back Delay
Description
Delay after far end hangs up before reorder (busy) tone is played.
0 = plays immediately, inf = never plays. Range: 0–255 seconds.
Set to 255 to return the phone immediately to on-hook status and
to not play the tone.
Defaults to 5.
Expiration time in seconds of a call back activation. Range: 0–
65535 seconds.
Defaults to 1800.
Call back retry interval in seconds. Range: 0–255 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 IP phone still considers the call as failed and
keeps on retrying.
Defaults to 0.5.
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