7 tracing – 2N VoiceBlue Next v3.3 User Manual
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4.7 Tracing
2N VoiceBlue Next
®
allows for operation tracing (VoIP, SIP, GSM). Tracing is
accessible in one session only at a time, the other tracing requests are rejected with
BUSY. With regard to a rather extensive volume of data, we recommend that the
function should be activated before tracing. Any
Write communication into file
Telnet–supporting terminal (HyperTerminal, Putty, etc.) can be used.
Tip
You are advised to synchronise your GSM gateway with the SIP
Proxy, or a PC before tracing.
AT Command
Description
AT%S92=x
Set the tracing details. Refer to the table below for value X.
AT!R2
Start tracing via the active session.
Any character
Terminate tracing.
Layer 3 and 4
Status Listing
Timestamp
Write–Out
SMP Packet
Write–Out
Layer 2 Status
Listing
LCR
Listing
1
2
4
8
16
The resultant value X is a sum of the required functions (X= timestamps+LCR = 16+2
= 18, e.g.).