2.2 Programming
Parameter Descriptions
The parameters indicated with "#" must be changed while the VoIP Gateway Card is in the "STOP"
status (see "2.3.1 Status Control"). The changes must be followed by a reboot to become effective (see
"2.5.1 Reboot").
The parameters indicated with "*" must be changed while the card is in the "STOP" status (see "2.3.1
Status Control"). The changes do not have to be followed by a reboot to become effective.
Port Number Settings
Parameter & Description
#
H.225 Port No.
Specifies the port number for the H.225 protocol (call
control) in an H.323 protocol suite.
Generally, there is no need to change the default value.
#
H.245 Port No.
Specifies the port number for the H.245 protocol
(negotiation of channel usage and capabilities) in an
H.323 protocol suite. Four consecutive ports, starting
with the specified port, will be used (by default, 1721 to
1724).
Generally, there is no need to change the default value.
#
RAS Port No.
Specifies the port number for the H.225 protocol (RAS)
in an H.323 protocol suite.
Generally, there is no need to change the default value.
#
RTP/RTCP Port No.
Specifies the port number for RTP/RTCP. Eight
consecutive ports, starting with the specified port, will
be used (by default, 5004 to 5011).
Generally, there is no need to change the default value.
14
Programming Guide
Default
Value Range
1720
1 to 65535
1721
1 to 65532
1719
1 to 65535
5004
1 to 65528