SMG digital gateway
69
Ignore source port for incoming calls
—when checked, the signalling transmission UDP port of the
communicating gateway that is specified in the
Port for SIP Signalling Reception
parameter is not
checked; otherwise, the port is checked and the call is cleared back if the INVITE request is
received from another port. If the INVITE request is received via TCP, the port is not checked
regardless of the parameter value.
Trusted network
—means that the interface is connected to a trusted network. This option defines
generation of the INVITE request fields for calls with hidden caller number (presentation
restricted). When checked, the caller number information is transmitted in the
from
and
P-
Asserted-identity
fields together with the information on its hidden state in
the Privacy: id
field;
otherwise, the caller number information is not transmitted in any fields.
Alarm indication
—when checked, SMG will indicate a fault when connection to the opposite
device is lost. For correct operation of this feature, check the
Opposite party availability control
using OPTIONS messages
checkbox in SIP settings.
Network interface for SIP
—the network interface selected to receive and transmit signalling SIP
messages.
Network interface for RTP
—the network interface selected to receive and transmit voice traffic.
Q.850-cause and SIP-reply mapping table
—the selected table of correspondence between Q.850-
cause and SIP-reply codes. To configure correspondence tables, use the
Internal Resources
menu.
Scheduled routing profile
—the selected profile of the
scheduled routing
service, which is
configured in the
Internal Resources
section.
Max active calls
—the maximum number of simultaneous (incoming and outgoing) connections
through this interface.
Options configurations for 'Transit E1' mode.
Some of the options are not used in this mode. Fields which are not used are not displayed and are not
available in 'Transit E1' mode. The rest of the fields are configured as in SIP/SIP-T/SIP-I mode.