Aastra BLUESTAR 8000I Pbx-Mode Administrator Manual page 115

Operational, Basic Parameters
Parameter –
sip T1 timer
Description
Format
Default Value
Range
Example
Parameter –
sip T2 timer
Description
Format
Default Value
Range
Example
Parameter –
sip transaction timer
Description
Format
Default Value
Range
Example
A-25
Configuration Files –
aastra.cfg, <model>.cfg, <mac>.cfg
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).
Integer
500
NA
sip T1 timer: 600
Configuration Files –
aastra.cfg, <model>.cfg, <mac>.cfg
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.
Integer
0
NA
sip T2 timer: 8
Configuration Files –
aastra.cfg, <model>.cfg, <mac>.cfg
The amount of time, in milliseconds that the BluStar 8000i allows the
callserver (registrar/proxy) to respond to SIP messages that it sends. If the
BluStar 8000i does not receive a response in the amount of time designated
for this parameter, the BluStar 8000i assumes the message has timed out.
Integer
4000
4000 to 64000
sip transaction timer: 6000
41-001390-00 Rev 02 – 12.2011