AASTRA 6700i series, 9143, 9480i, 9480i CT SIP Administrator Guide EN - Manual (Page 139)

3-52 41-001343-01 Rev 03, Release 3.2.2
Advanced SIP Settings
In addition to the basic SIP settings, you can also configure the following advanced SIP
parameters. These parameters are configurable via the Aastra Web UI and the configuration files
on a global basis only.
Parameter in
Aastra Web UI
Parameters in
Configuration Files
Description
Explicit MWI Subscription sip 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 disable MWI by setting this
parameter 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.
For more information, see Chapter 4, “Advanced SIP
Settings (optional)” on page 4-83 .
Explicit MWI Subscription
Period sip explicit mwi subscription
period The requested duration, in seconds, before the MWI
subscription times out. The phone re-subscribes to MWI
before the subscription period ends.
For more information, see Chapter 4, “Advanced SIP
Settings (optional)” on page 4-83 .
Missed Call Summary
Subscription
(Global and Per-Line)
sip missed call summary
subscription
(global)
sip lineN missed call
summary subscription
(per-line)
Enables or disables the Missed Call Summary Subscription
feature.
This feature allows missed calls that have been redirected
by the server, to be incremented in the missed calls
indicator on the phone it was initially directed to. Default is
disabled.
For more information about this parameter, see Chapter 6,
the section,
“Missed Call Summary Subscription” on
page 6-13 .
Missed Call Summary
Subscription Period sip missed call summary
subscription period Specifies the amount of time, in seconds, that the phone
uses the Missed Calls Summary Subscription feature. This
parameter is always enabled with a default value of 86400
seconds. When the phone reaches the limit set for this
parameter, it sends the subscription again.
For more information about this parameter, see Chapter 6,
the section,
“Missed Call Summary Subscription” on
page 6-13 .
AS-Feature-Event
Subscription
(Global and Per-Line)
sip as-feature-event
subscription
(global)
sip lineN as-feature-event
subscription
(per-line)
Enables or disables the specified line with the BroadSoft’s
server-side DND, CFWD, or ACD features.
For more information about this parameter, see Chapter 6,
the section,
“As-Feature-Event Subscription” on page 6-16 .