Configuring Advanced Features
585
2.
Select the desired account from the pull-down list of
Account
.
3.
Select
Draft BLA
from the pull-down list of
Shared Line
.
4.
Enter the desired
value in the
BLA Number
field.
5.
Enter the desired value in the
BLA Subscription Period
field.
6.
Click
Confirm
to accept the change.
Message Waiting Indicator (MWI)
Message Waiting Indicator (MWI) informs users that how many messages are waiting in their
mailbox without calling the mailbox. IP phones support both audio and visual MWI when
receiving new voice messages. MWI will be indicated in four ways: a warning tone, an indicator
message (including a voice mail icon) on the LCD screen, the power indicator LED slowly flashes
red and the MESSAGE key LED lights up (MESSAGE key LED is only applicable to
SIP-T29G/T27P/T27G/T23P/T23G/T21(P) E2 IP phones). For more information on power
indicator LED, refer to
IP phones support both solicited and unsolicited MWI.
Unsolicited MWI
Unsolicited MWI is a server related feature. The IP phone sends a SUBSCRIBE message to the
server for message-summary updates. The server sends a message-summary NOTIFY within the
subscription dialog each time the MWI status changes.
Solicited MWI
For solicited MWI, you must enable MWI subscription feature on IP phones. IP phones support
subscribing the MWI messages to the account or the voice mail number.
Содержание SIP-T19 E2 T4 Series
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Страница 887: ...Troubleshooting 865 The phone begins rebooting Any reboot of the phone may take a few minutes ...