Version 5.2 109 September 2007
SIP User's Manual 5. Web-based Management
Table 5-12: General Parameters (Advanced Parameters)
Parameter Description
Max Call Duration (min)
[MaxCallDuration]
Defines the maximum call duration in minutes. If this time expires, both
sides of the call are released (IP and Tel).
The valid range is 0 to 35791. The default is 0 (i.e., no limitation).
Enable LAN Watchdog
[EnableLanWatchDog]
 [0] Disable = Disable LAN Watch-Dog (default).
 [1] Enable = Enable LAN Watch-Dog.
When LAN Watch-Dog is enabled, the gateway's overall communication
integrity is checked periodically. If no communication for about 3 minutes
is detected, the gateway performs a self test.
If the self test succeeds, the problem is logical link down (i.e., Ethernet
cable disconnected on the switch side), and the Busy Out mechanism is
activated if enabled (EnableBusyOut = 1). If the self test fails, the
gateway restarts to overcome internal fatal communication error.
Note: Enable LAN Watchdog is relevant only if the Ethernet connection
is full duplex.
Enable User-Information
Usage
[EnableUserInfoUsage]
Enables or disables usage of the User Information loaded to the gateway
via the User Information auxiliary file.
 [0] Disable = Disabled (default).
 [1] Enable = Enabled.
5.5.2.2 Supplementary Services
The Supplementary Services option is used to configure parameters that are associated
with supplementary services. For detailed information on supplementary services, refer to
'Working with Supplementary Services' on page 363.
¾ To configure the supplementary services' parameters, take these 4
steps:
1. Open the 'Supplementary Services' screen (Protocol Management menu >
Advanced Parameters submenu > Supplementary Services option).
2. Configure the supplementary services parameters according to the table below.
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