Aastra Telecom 41-001343-02 User Manual

41-001343-02 REV04 – 05.2014

Parameter – 
sip lineN backup outbound proxy

(N is a line number from 1 to 9)

Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg

The IP address or domain name of the backup outbound SIP proxy server for which the 
IP phone uses when the primary SIP proxy is unavailable. Use this parameter to config-
ure the sip backup outbound proxy on a per-line basis.

IP address or fully qualified Domain Name

0.0.0.0

Not Applicable

sip line1 backup outbound proxy: drax.us.aastra.com 

Parameter – 
sip lineN backup outbound proxy port

(N is a line number from 1 to 9)

Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg

The backup outbound proxy port on the backup outbound proxy server to which the 
IP phone sends all SIP messages. Use this parameter to configure the sip backup out-
bound proxy port on a per-line basis.

Integer

0

0 - 65535

sip line1 backup outbound proxy port: 5060

Parameter – 
sip mwi for bla account

Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg

Enables or disables a BLA configured line to send an MWI SUBSCRIBE message for the 
BLA account. 

Notes:
• If you change the setting on this parameter, you must reboot the phone for it to take 

affect.

• Both the “sip explicit mwi subscription” and “sip mwi for bla account” parameters must 

be enabled in order for the MWI subscription for BLA to occur.

• The MWI re-subscription for the BLA account uses the value set for the "sip explicit 

mwi subscription period" parameter to re-subscribe.

• Whether or not the "sip mwi for bla account" parameter is enabled, the priority for dis-

playing MWI does not change.

Boolean

0 (disabled)

0 (disabled)
1 (enabled)

sip mwi for bla account: 1