User`s manual

SIP User's Manual 180 Document #: LTRT-83303
Mediant 1000 & Mediant 600
Parameter Description
Message Waiting Indication (MWI) Parameters
Note: MWI is applicable only to Mediant 1000.
Enable MWI
[EnableMWI]
Enables Message Waiting Indication (MWI).
 [0] Disable = Disabled (default).
 [1] Enable = MWI service is enabled.
Notes:
 This parameter is applicable only to FXS interfaces.
 The device supports only the receipt of SIP MWI NOTIFY messages
(the device doesn't generate these messages).
 For detailed information on MWI, refer to "Message Waiting Indication"
on page 440.
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
[EnableMWISubscriptio
n]
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 146) to 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.