Administrator’s Guide for SIP-T5 Series Smart Media Phones
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To configure a private hold key via phone user interface:
1. Tap Settings->Features->DSS Keys.
2. Tap the Type field.
3. Tap Key Event in the pop-up dialog box.
4. Tap the Key Type field.
5. Tap Private Hold in the pop-up dialog box.
6. (Optional.) Enter the string that will appear on the touch screen in the Label field.
7. Tap to accept the change.
Message Waiting Indicator (MWI)
Message Waiting Indicator (MWI) informs users of the number of messages 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 three ways: a warning tone, an indicator
message (including a voice mail icon) on the touch screen and the power indicator LED slowly
flashes red. For more information on power indicator LED, refer to Power Indicator LED on page
141.
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.
Procedure
Configuration changes can be performed using the following methods.
Central Provisioning
(Configuration File)
Configure subscribe for MWI.
Parameters:
account.X.subscribe_mwi
account.X.subscribe_mwi_expires
Configure subscribe MWI to voice mail.
Parameter:
account.X.subscribe_mwi_to_vm
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