Aastra 480i Administrator's Manual page 24

• BLA Number
(not configurable via IP phone
UI) Phone number that you
assign to BLA lines that is
shared across all phones (global
configuration) or shared on a
per-line basis (per-line configu-
ration). For more information
about BLA, see
Appearance (BLA) (480i/480i
CT/9133i only)"
• Line Mode
(Sip Mode in configuration files.
Not configurable in IP phone
UI). The mode-type that you
assign to the IP phone on a glo-
bal or per-line basis. Valid val-
ues are Generic (0), BroadSoft
SCA (1), Nortel (2), or BLA (3).
Default is Generic (0).
Basic SIP Network Settings
• Proxy Server
(Proxy IP in the configuration
files). IP address of the SIP
proxy server. Up to 64 alphanu-
meric characters. Configurable
on a global and per-line basis.
• Proxy Port
SIP proxy server's port number.
Default is 0. Configurable on a
global and per-line basis.
• Outbound Proxy Server
Address of the outbound proxy
server. All SIP messages origi-
nating from the phone are sent
to this server. For example, if
you have a Session Border Con-
troller in your network, then you
would normally set its address
here. Default is 0.0.0.0. Config-
urable on a global and per-line
basis.
• Outbound Proxy Port
The proxy port on the proxy
server to which the IP phone
sends all SIP messages. Default
is 0. Configurable on a global
and per-line basis.
16 IP Phone SIP Admin Guide
"Bridged Line
on page 61.
• Registrar Server
(Registrar IP in the configura-
tion files). IP address of the SIP
registrar. Up to 64 alphanumeric
characters. Enables or disables
the phone to be registered with
the Registrar. When Register is
disabled globally, the phone is
still active and you can dial
using username and IP address
of the phone. A message "No
Service" displays on the idle
screen and the LED is steady
ON. If Register is disabled for a
single line, no messages display
and LEDs are OFF. Configurable
on a global and per-line basis.
• Registrar Port
SIP registrar's port number.
Default is 0. Configurable on a
global and per-line basis.
• Registration Period
(Not configurable via IP Phone
UI). The requested registration
period, in seconds, from the reg-
istrar. Configurable on a global
and per-line basis.
Advanced SIP Settings
In addition to the basic SIP
settings, you can also configure the
following advanced SIP
parameters. These parameters are
not configurable via the IP phone
UI.
• Explicit MWI Subscription
If the IP phone has a message
waiting subscription with the
Service Provider, a Message
Waiting Indicator (MWI) (LED
or display icon) tells the user
there is a message on the IP
Phone. You can enable and dis-
able MWI by setting this param-
eter to 0 (disable) or 1 (enable) in
the configuration files or by
checking the box for this field in
the Aastra Web UI. Default is
disabled.