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3-28 MAX 6000/3000 Network Configuration Guide
Configuring WAN Access
Configuring E1 lines
Performing E1 line diagnostics
A MAX unit’s software provides the following E1 diagnostic commands:
Net/E1
Line Diag
Line LB1
Line LB2
You can use these commands to test the line configuration. For detailed information about each
parameter, see the MAX Reference.
Network Terminating (NT) support for European ISDN PRI
You can configure MAX units as Network Terminating (NT) devices for European ISDN
E1/PRI connections. To configure the MAX for NT mode, you set the ISDN TE/NT Mode
parameter to NT.
ISDN call information
If the E1/PRI line switch type is German 1TR6 or Japan NTT, you can display information
about ISDN calls by invoking the terminal-server command line and entering the Show Calls
command. For example:
ascend% show calls
The command displays statistics about current calls. For example:
Call ID Called Party ID Calling Party ID InOctets OutOctets
3 5104563434 4191234567 0 0
4 4197654321 5108888888 888888 99999
The Call ID column contains an index number specific to the call.
Called Party ID and Calling Party ID show the telephone number of the answering device and
calling device, respectively.
InOctets and OutOctets show the number of bytes received by the answering device and
transmitted by the calling device, respectively.
When an ISDN call disconnects from either a German 1TR6 switch or a Japan NTT switch, the
switch sends call billing information to the call originator as part of the call tear-down process.
This information is written to the eventCallCharge (eventEntry 17) SNMP object in the
Ascend Enterprise MIB events group (10). An SNMP manager can then read this object to
determine the cost of the call. The eventCallCharge object is a read-only integer and is
applicable only if eventType is callCleared (3). Otherwise, 0 is returned.