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5.1.5 Utils
This section provides extra functions of the GSM gateway. At present, the GSM
gateway offers the Ethernet interface tracing (Network trace) and gateway
communication tracing functions. These functions help detect gateway installation
troubles (SIP communication debugging). The file format is PCAP, which is readable in
the Wireshark (
) program, for example.
http://www.wireshark.org/
BTS Lock
This section helps you set the BTS lock if the GSM/UMTS module supports this
function. The BTS ID containing cells are marked blue to indicate that the module
supports BTS. Set the BTS lock manually by selecting a BTS or depending on the BTS
signal intensity.
Send USSD Command
This section helps you send USSD commands to a mobile network and display
subsequent replies.
Tip
The USSD menu helps you, for example, obtain SIM credit or other
information from the provider. The USSD menu can contain multiple
levels. Use the semicolon ';' to access the next level. A USSD command
can be as follows, e.g.:
.
*123#;1;2
Test Call
This section helps you test calls via the gateway interfaces or verify the LCR settings.
Both incoming and outgoing calls to/from all the
interfaces can be tested.
2N BRI
®
Status
Call status Connection channel – display the channel for the selected interface
for outgoing test calls.
NULL – no action.
CPRES – call setup request.
IPROC – call setup initiation.
CRECV – called user ringing.
ACTIVE – active call.
DISREQ – call end request.