3Com 3C10402B, Руководство администратора

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Managing Existing Virtual Tie Lines 343
Successful VTL Call
If there are no network problems:
1 The first line (Entry 1, OperId 1) removes the digits 72.
2 The second line (Entry 1, OperId 2) prepends the IP address of the system
at site B in front of the dialed extension number.
Unsuccessful VTL Call
If a network problem or a lack of VTL ports prevents the VTL call from
reaching its destination:
1 The third line (Entry 2, OperId 1) removes the digits 72.
2 The fourth line (Entry 2, OperId 2) prepends an appropriate dial string and
dials out over an analog telephone line.
Managing Existing
Virtual Tie Lines
After VTLs are installed and you have verified that they are working
properly, you can manage them using the NBX NetSet utility. There are
NetSet utility functions for:
■
Modifying a Virtual Tie Line Name
■
Viewing and Resetting Virtual Tie Line Statistics
■
Enabling Audio Compression for VTL Calls
■
Enabling Silence Suppression on VTL Calls
Modifying a Virtual
Tie Line Name
You can change the name of a VTL. The name appears in NetSet lists, and
helps you identify each VTL.
To modify the name of a VTL:
1 Click Virtual Connections > Virtual Tie Lines , which displays the list of
existing VTLs, and the status of each one.
2 Select a VTL from the list, which displays the Modify window.
3 In the New VTL name field, type the name you want to assign to this VTL.
4 Click OK and verify the name change is in the Virtual Tie Lines window.
Viewing and
Resetting Virtual Tie
Line Statistics
You can view the statistics for a VTL at any time.