ST2030s VoIP Business Phone
ST2030s SIP Administrator Guide v3.0
Page 91 of 308
BLF
In this release, we have implemented the third BLF -
Presence based BLF.
ST2030 already supports two types of BLF based on “dialog” event package: User and List-
oriented.
For some other environments, it is desirable to support also a third flavour, based this time on a
different subscribe/notify package: presence.
Since ST2022 does not support supervision, this document is not applicable.
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 a presentity. ST2030 does not
need to provide information about itself, neither will receive a subscription to declare its
presence status. ST2030 will hence act only as a supervisor.
Once ST20xx has subscribed to a 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, ST2030 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.
Содержание ST 2030 SIP
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Страница 57: ...ST2030s VoIP Business Phone ST2030s SIP Administrator Guide v3 0 Page 49 of 308 CONNECTION PAGE HOME PAGE ...
Страница 60: ...ST2030s VoIP Business Phone ST2030s SIP Administrator Guide v3 0 Page 52 of 308 APS basic setup ADVANCED PAGE ...
Страница 62: ...ST2030s VoIP Business Phone ST2030s SIP Administrator Guide v3 0 Page 54 of 308 ADVANCED SNTP ADVANCED SNMP ...
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