Avaya 4600 Series Administrator's Manual page 218

Sample Upgrade Script File
## Specifies number of seconds to wait for a SIP
## registration response before re-sending a registration
## request. (1-60).
##
## NOTE: For Avaya Distributed Office configurations,
## this parameter must be set to 60.
##
## SET WAIT_FOR_REGISTRATION_TIMER 10
##
## Subscription Request Duration
## Specifies the duration of initial SUBSCRIBE messages
## sent from the phone. May be lowered by the server.
## (60–31536000 seconds). Maximum is one year; default is
## one day.
## SET OUTBOUND_SUBSCRIPTION_REQUEST_DURATION 86400
##
## No Digits Timeout
## Specifies the number of seconds after going off-hook
## that the phone waits to receive its first dialed digit.
## If no digits are entered within the specified time
## period, the phone plays a warning tone. (1-60)
## SET NO_DIGITS_TIMEOUT 20
##
## Inter-Digit Timeout
## Specifies the number of seconds after the user dials
## a digit and before the phone sends out a SIP INVITE.
## The expiration of this timer signifies the completion
## of the digit collection period. (1-10)
## SET INTER_DIGIT_TIMEOUT 5
##
## Failed Session Removal Timer
## Specifies the number of seconds the phone will play
## re-order tone after an invalid extension has been
## dialed. If this timer expires, or if the user
## presses the End Call softkey, the re-order tone is
## stopped and the session line appearance is removed.
## (5-999)
## SET FAILED_SESSION_REMOVAL_TIMER 30
##
## TCP Keep Alive Enabled
## Determines whether or not the phone sends TCP keep
## alive (TCP ACK) messages.
## 0 for No
218 4600 Series IP Telephone LAN Administrator Guide