41-001343-01 Rev 02, Release 3.2.2
A-103
Parameter
–
sip T1 timer
T1 Timer
(in Web UI)
Aastra Web UI
Advanced Settings->Global SIP->
Advanced SIP Settings
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description
This timer is a SIP transaction layer timer defined in RFC 3261.
Timer 1 is an estimate, in milliseconds, of the round-trip time (RTT).
Format
Integer
Default Value
500
Range
Not Applicable
Example
sip T1 timer: 600
Parameter
–
sip T2 timer
T2 Timer
(in Web UI)
Aastra Web UI
Advanced Settings->Global SIP->
Advanced SIP Settings
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description
This timer is a SIP transaction layer timer defined in RFC 3261.
Timer 2 represents the amount of time, in milliseconds, a non-INVITE
server transaction takes to respond to a request.
Format
Integer
Default Value
0
Range
Not Applicable
Example
sip T2 timer: 8
Parameter
–
sip transaction timer
Transaction Timer
(in Web UI)
Aastra Web UI
Advanced Settings->Global SIP->
Advanced SIP Settings
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description
The amount of time, in milliseconds that the phone allows the callserver
(registrar/proxy) to respond to SIP messages that it sends. If the phone
does not receive a response in the amount of time designated for this
parameter, the phone assumes the message has timed out.
Format
Integer
Default Value
4000
Range
4000 to 64000
Example
sip transaction timer: 6000