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Operational, Basic, and Advanced Parameters
41-001343-02 REV04 – 05.2014 A-74
Parameter –
sip lineN proxy port
(N is a line number from 1 to 9)
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description The proxy server's port number
Format Integer
Default Value 0
Range Not Applicable
Example sip line1 proxy port: 5060
Parameter –
sip lineN backup proxy ip
(N is a line number from 1 to 9)
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description The IP address of the backup SIP proxy server for which the IP phone uses when the pri-
mary SIP proxy is unavailable.
Format IP address or fully qualified Domain Name
Default Value 0.0.0.0
Range Not Applicable
Example sip line1 backup proxy ip: 192.168.0.102
Parameter –
sip lineN backup proxy port
(N is a line number from 1 to 9)
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description The backup proxy’s port number.
Format Integer
Default Value 0
Range Not Applicable
Example sip line1 backup proxy port: 5060
Parameter –
sip lineN outbound proxy
(N is a line number from 1 to 9)
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description This is the address of the outbound proxy server. All SIP messages originating from the
phone are sent to this server. For example, if you have a Session Border Controller in
your network, then you would normally set its address here.
Format IP Address or fully qualified Domain Name
Default Value 0.0.0.0
Range Not Applicable
Example sip outbound proxy: 10.42.23.13