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3-41 41-001343-02 REV04 – 05.2014
Registration Renewal Timer sip registration renewal timer The threshold value, in seconds, prior to expiration, that the phone renews
registrations. The phone will automatically send registration renewals half-
way through the registration period, unless half-way is more than the
threshold value.
For example, if the threshold value is set to 60 seconds and if the registra-
tion period is 600 seconds, the renewal REGISTER message will be sent 60
seconds prior to the expiration, as half-way (600/2) > 60. If the registration
period was 100 seconds, then the renewal would be sent at the half-way
point as (100/2) < 60.
For more information, see Chapter 4, “Advanced SIP Settings (optional)” on
page4-69.
N/A sip subscription timeout retry timer Applicable for all event packages, this parameter controls how long the
phone delays then retries a subscription when a SUBSCRIBE request is
responded with a 408 (timeout) or 503 (service unavailable) error code.
For more information, see Chapter 4, “Advanced SIP Settings (optional)” on
page4-69.
N/A sip subscription failed retry timer Applicable for all event packages, this parameter controls how long the
phone delays then retries a subscription when a SUBSCRIBE request is
responded with error codes other than 408 (timeout) or 503 (service
unavailable).
For more information, see Chapter 4, “Advanced SIP Settings (optional)” on
page4-69.
BLF Subscription Period sip blf subscription period The requested duration, in seconds, before the BLF subscription times out.
The phone re-subscribes to the BLF subscription service before the defined
subscription period ends.
Note:
This parameter is not applicable to BLF/List subscriptions.
For more information, see Chapter 4, “Advanced SIP Settings (optional)” on
page4-69.
ACD Subscription Period sip acd subscription period Specifies the time period, in seconds, that the IP phone re-subscribes the
Automatic Call Distribution (ACD) subscription service after a soft-
ware/firmware upgrade or after a reboot of the IP phone.
For more information, see Chapter 4, “Advanced SIP Settings (optional)” on
page4-69.
BLA Subscription Period sip bla subscription period Specifies the amount of time, in seconds, that the phone waits to receive a
BLA subscribe message from the server. If you specify zero (0), the phone
uses the value specified for the BLA expiration in the subscribe message
received from the server. If no value is specified, the phone uses the default
value of 300 seconds.
For more information, see Chapter 4, “Advanced SIP Settings (optional)” on
page4-69.
Blacklist Duration sip blacklist duration Specifies the length of time, in seconds, that a failed server remains on the
server blacklist. The IP phone avoids sending a SIP message to a failed
server (if another server is available) for this amount of time.
For more information about Blacklist Duration, see Chapter 6, the section,
“Blacklist Duration” on page6-13.
Parameter in
Aastra Web UI
Parameters in Configuration Files Description