
Version 5.6 143 November 2008
SIP User's Manual 3. Web-Based Management
Parameter Description
MWI Analog Lamp
[MWIAnalogLamp]
Enables visual display of MWI.
[0] Disable = Disable (default).
[1] Enable = Enables visual Message Waiting Indication by supplying
line voltage of approximately 100 VDC to activate the phone's lamp.
Note: This parameter is applicable only for FXS interfaces.
MWI Display
[MWIDisplay]
Determines whether MWI information is sent to the phone display.
[0] Disable = MWI information isn't sent to display (default).
[1] Enable = The device generates an MWI message (determined by
the parameter CallerIDType), which is displayed on the MWI display.
Note: This parameter is applicable only to FXS interfaces.
Subscribe to MWI
[EnableMWISubscription
]
Enables subscription to an MWI server.
[0] No = Disables MWI subscription (default).
[1] Yes = Enables subscription to MWI (to MWIServerIP address).
Note: Use the parameter SubscriptionMode (described in Proxy &
Registration Parameters on page 112) t
o determine whether the device
subscribes per endpoint or per the entire device.
MWI Server IP Address
[MWIServerIP]
MWI server's IP address. If provided, the device subscribes to this IP
address.
The MWI server address can be configured as a numerical IP address
or as a domain name. If not configured, the Proxy IP address is used
instead.
MWI Server Transport
Type
[MWIServerTransportTy
pe]
Determines the transport layer used for outgoing SIP dialogs initiated by
the device to the MWI Server.
[-1] Not Configured (default)
[0] UDP
[1] TCP
[2] TLS
Note: When set to ‘Not Configured’, the value of the parameter
SIPTransportType is used.
MWI Subscribe Expiration
Time
[MWIExpirationTime]
The MWI subscription expiration time in seconds.
The default is 7200 seconds. The range is 10 to 72000.
Stutter Tone Duration
[StutterToneDuration]
Duration (in msec) of the played stutter dial tone, indicating enabled Call
Forward or waiting message(s). The Stutter tone is played (instead of a
regular dial tone), when Call Forward is enabled on the specific port or
when Message Waiting Indication (MWI) is received. The tone is
composed of a Confirmation tone, which is played for a user-defined
duration (StutterToneDuration), followed by a Stutter tone. Both tones
are defined in the CPT file. After this duration, a dial tone is played.
The range is 1,000 to 60,000. The default is 2,000 (i.e., 2 seconds).
Notes:
This parameter is applicable only to FXS interfaces.
The MWI tone takes precedence over the Call Forwarding Reminder
tone. For detailed information on MWI, refer to “Message Waiting
Indication” on page 361.
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