116                             SMG digital gateway 
4.2.2   Tracing Commands Available Through the Debug Port 
4.2.2.1 Enable Debugging Globally  
Command syntax:   trace start 
4.2.2.2 Disable Debugging Globally  
Command syntax:   trace stop 
4.2.2.3 Enable/Disable Debugging for Specific Arguments 
Command syntax:  trace <POINT> on/off <IDX> <LEVEL>   
Parameters: 
 <POINT>     argument; 
<IDX>     numeric parameter; 
<LEVEL>     debug level. 
 
Acceptable arguments (<POINT>):  
 
Tracing  of  packet  contents at  the  first  level  of  exchange  between  the 
main application and the E1 stream driver  
Application operation tracing 
ISUP subsystem operation tracing in the SS-7 protocol 
MTP3 level operation tracing in the SS-7 protocol for an Е1 stream 
SIP/-T/-I protocol operation tracing 
DSS1 protocol third level operation tracing for an Е1 stream 
Switch network operation tracing 
Signal processor operation tracing 
Tracing of the 2
nd
 layer data network operation 
Tracing of synchronisation sources operation 
Low-level tracing of the system which transfers messages between the 
application and the SIP module 
High-level tracing of the system which transfers messages between the 
application and the SIP module 
SNMP protocol operation tracing 
Numbering (routing) schedule operation tracing 
Modifier operation tracing 
Gateway fault state tracing 
RADIUS protocol operation tracing 
4.3  SMG Configuration via Telnet, SSH, or RS-232 
To configure the device, connect to it via the Telnet or SSH protocol, or by the RS-232 cable (for access via 
CLI). Factory settings for IP address: 192.168.1.2; mask: 255.255.255.0. 
The device configuration is stored in text files located in the /et/config directory. The files can be edited 
in the joe integrated text editor (the changes will take effect after device restart).