TB30s SIP Administrator Guide v1.3
Page 98 of 259
be adjusted in order to use BLF. If you intend to use an extension module
for BLF, then you need not change this parameter.
[sys]
BLFType=1
BLFListSipUri=L/<sip:[email protected]>
Current_Max_Multiline=4
StartSpareFK=6
….
With these parameters, List-oriented BLF is enabled, the List Uri is List-
[email protected] and the first key to be provisioned is F6
Presence basesd BLF
For some other environments, it is desirable to support also a third flavour, based this time on a
different subscribe/notify package: presence.
Function keys will be used for this purpose. Limitation will be the same as for the other types of
BLF: if phone is configured for multilines = m, then m+1 is the first function key to be used for
BLF.
Presence information is provided by the server to subscribers for presentity. TB30 does not need
to provide information about itself, neither will receive a subscription to declare its presence
status. TB30 will hence act only as a supervisor.
Once TB30 has subscribed to presentity, the server will notify changes in supervised party status
by sending NOTIFY with application/cpim-pidf+xml content.
In order to supervise a certain sip uri, TB30 will need to send a SUBSCRIBE towards the SIP
proxy, with
From: supervisor
To: supervised party uri
Event: presence
Accept: application/cpim-pidf+xml
A NOTIFY will be received whose body will include the state of the different entities declaring
presence for that uri.
No new parameters needed.
New values:
BLF type: add new value to existing parameter.
Reused values:
For FeatureKeyExtxx, S/<sip:> will be used
For FeatureOptKeyxx, its value should be ignored when BLFType for Presence BLF is selected.
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