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• If not, all accounts are configured to the programmed presence state.
As with Call Forwarding keys, this allows Presence keys to be used as
toggles.
However the presence states are not entirely under your control. Some
states are applied automatically (for example, On The Phone). All states
are applied by sending a message to the SIP proxy, which can choose
not to accept the change. As a result, it is possible for a set all presence
operation to not result in all accounts being configured to the programmed
presence. In such a case, pressing the key again would again attempt to
apply the programmed presence; therefore it is more effective to program
a separate Presence key to configure all accounts to the Connected
state.
Events that update presence states automatically occur on a per-account
basis. For example, the On The Phone state is applied to any account for
which at least one call is active.
Account presence is not retained after logging out or rebooting.
Notifications
The system displays messages spontaneously on the screen to report
events that are not initiated by you. This includes such events as failure to
retrieve a service package and availability of a new Location list.
These spontaneous notifications do not indicate which account is affected
by the event. In such cases, the affected account is indicated by the
message itself.
Figure 51 on page 303 shows per account notification on the IP
Deskphone.