Operational, Basic, and Advanced Parameters
A-76
41-001343-02 REV05 – 07.2014
Parameter
–
sip lineN backup registrar ip
(N is a line number from 1 to 9)
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description
The address of the backup registrar (typically, the backup SIP proxy) for which the IP
phone uses to send
REGISTER
requests if the primary registrar is unavailable.
A global value of 0.0.0.0 disables backup registration. However, the phone is still active
and you can dial using username@ip address of the phone.
If the backup registrar IP address is set to 0.0.0.0 for a per-line basis (i.e, line 1, line 2, etc.),
then the backup register request is not sent, the "No Service" message does not display,
and the message waiting indicator (MWI) does not come on.
Format
IP address or fully qualified Domain Name
Default Value
0.0.0.0
Range
Not Applicable
Example
sip line1 backup registrar ip: 192.168.0.102
Parameter
–
sip lineN backup registrar port
(N is a line number from 1 to 9)
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description
The backup registrar's (typically the backup SIP proxy) port number.
Format
Integer
Default Value
0
Range
Not Applicable
Example
sip line1 backup registrar port: 5060
Parameter
–
sip lineN registration period
(N is a line number from 1 to 9)
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description
The requested registration period, in seconds, from the registrar.
Format
Integer
Default Value
0
Range
0 to 2147483647
Example
sip line1 registration period: 3600
