Eicon Networks DIVA T/A ISDN Modem Utility Commands, Start or display the Result of a Lapd trace

Utility Commands

AT$VL	Start or display the Result of a LAPD trace.
	You can specify the total size of the trace buffer and the length of each trace entry. Use
	the following syntax:
	AT$VL [trace size, entry length], where trace size and entry length are specified in
	hexadecimal values.
	For example, to specify a trace size of 32K and an entry length of 256 bytes, enter: AT$VL
	8000, 100.
	If you do not specify trace size and length, the default values are used. The default trace
	size is 16K, the default entry length is 128 bytes.
AT$VM	Controls the internal Mail Trace. Your Eicon Technology Customer Services
	representative may ask you to use this command.
	Format is:
	AT$VM [total size, entry_size, filter] (parameters are optional)
	Example:
	AT$VM	starts mail trace with default size of 16K, entry_size of 64 bytes, no filter
	AT$VM -p	to pause the mail trace
	AT$VM -r	to reset the mail trace
	AT$VM -s	to restart the mail trace
AT$VP	Start or Display the Result of a PPP trace.
	You can specify the total size of the trace buffer and the length of the each trace entry.
	Use the following syntax:
	AT$VP [trace size, entry length], where trace size and entry length are specified in
	hexadecimal values.
	For example, to specify a trace size of 32K and an entry length of 256 bytes, enter: AT$VP
	8000, 100.
	If you do not specify trace size and length, the default values are used. The default trace
	size is 16K, the default entry length is 128 bytes
AT$VQ	Start or Display the Result of a Q931 trace.
	You can specify the total size of the trace buffer and the length of the each trace entry.
	Use the following syntax:
	AT$VQ [trace size, entry length], where trace size and entry length are specified in
	hexadecimal values.
	For example, to specify a trace size of 32K and an entry length of 256 bytes, enter: AT$VQ
	8000, 100.
	If you do not specify trace size and length, the default values are used. The default trace
	size is 16K, the default entry length is 128 bytes.
AT$VU	Internal TA access command reserved for VU.

DIVA T/A ISDN Modem Reference Guide ◆ Page 55