Nortel 2001 Installation And Operation Manual page 280

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Nortel Mobile Voice Client 2050
message, which is the last message received by MVC 2050 before a normal
session is started.
Recovering: Server unreachable
The Recovering: Server unreachable message is generated when MVC
2050 loses connection with the server. It indicates that the UNIStim
"watchdog timer" has expired and indicates loss of network connection.
Hard Reset
The Hard Reset message indicates that the server has instructed MVC 2050
to reset and clear its UNIStim-related memory. This message maps directly
to a UNIStim message.
Hardware ID
The Hardware ID screen is used to select the MAC address that MVC 2050
reports to the communication server. The MAC address can be reset.
The Hardware ID being used by MVC 2050 can be viewed in the MVC 2050
Settings on the Hardware ID tab. See Figure 52 on
Hardware IDs are generated by reading MAC addresses from the PDA
Network Interface Card (NIC). When MVC 2050 is used with most server
types, the Hardware ID it uses must be unique. Some software, such as VPN
client software, creates artificial network interfaces with MAC addresses
which are not unique. These may be addresses which will be common to all
installations of a particular VPN client.
Without a unique MAC address, an MVC 2050 may not be able to connect to
a server, or may connect to a server and cause another device with the same
hardware ID to be disconnected from the server. If MVC 2050 is
disconnected from the server it automatically attempts to reconnect. The
resulting conflicts prevent a stable connection from being made.
You can enable Auto-Create to prevent conflict with another device.
Auto-Create fabricates a MAC address with a random value which is
unlikely to be repeated by another device.
August 2005
page 281.