VTech ET685 Administrator And Provisioning Manual page 127

Setting
Extension Monitoring
Call Pickup List URI
Contact List
Publish Presence
Contact List URI
Force sendrecv on
INVITE with no SDP
Remove all bindings on
unregister
Subscription Expiry (s)
Web User Interface (WebUI) Reference
ET685 Administrator and Provisioning Manual
Description
The subscription URI for monitoring the dialog states of a
number of extensions setup at the PBX. This setting and
user_event_list_subscription (until < 8.7.3, as of 8.7.3
simply filling this setting (user_event_list_uri) turns on the
mechanism) cause the phone to send a single subscription
even for monitoring multiple extensions. The associated
NOTIFY contains the extensions configured at the server for
the user and their respective status if it active.As of 8.7.3
when filling this setting with a simple sip-uri or number in the
WUI, it will automatically be replaced by a complex
XML-configuration that allows to auto-assign the received
buddies onto keys of type Contact List Buddy.
When this feature is set to 'on', the phone subscribes for the
presence status of its contacts.
When this feature is set to 'on", the phone sends out
PUBLISH SIP messages showing the phone's status.
The URI phone will subscribe for this identity's contact list.
INVITE Requests without SDP should not change the state
of the SDP. However, some servers can not handle this and
need a sendrecv in the response whatever the previous
state was. If on, the phone sends sendrecv in the response
for INVITE Requests with no SDP.
When enabled the phone sets the contact header to * in
order to remove the old contact at the registrar on each
DeREGISTER. A DeREGISTER will be done on each
ReREGISTER as well.
This value specifies the desired expiration time in seconds
for subscriptions to the following event packages:
dialog (individual and event list subscription)

call-info

message-sumary

presence

The subscription will be refreshed after a time randomly
chosen to be between 1/2 and 3/4 of the expiration time
(which the server may have reduced in the 200 OK
response).
NOTE: Setting this value to zero will cause the subscription
to become inactive. The line-seize event package
subscription is not affected by this value. It is fixed to 15
seconds.
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