
APOS Quick Operation Guide Voice over IP
AddPac Technology Proprietary & Documentation 130 - 42
VoIP network under Firewall environment (VoIP Port Minimize)
The below configuration example is for the network environment with
Firewall. Firewall restricts the number of TCP/UDP ports for
communication. That’s why it is necessary to reduce the number of
ports used by VoIP gateway.
The number of TCP and UDP ports required by VoIP call connection is
minimized. That is, the LISTEN and SOURCE ports of TCP and UDP
packets can be configured.
Refer to the above configuration with the VoIP network of PAT Server
application.
Step Commands Description
1
#
# config
Enter configuration commands, one per line. End
with CNTL/Z
(config)#
Enter APOS global
configuration mode.
2
(config)#
(config)# voice service voip
(config-vservice-voip)#
Enter VoIP gateway
configuration mode.
3
(config-vservice-voip)#
(config-vservice-voip)# minimize-voip-ports ?
multiply port pool = channel number x multiply
service Assign port per each service
(config-vservice-voip)#
4
(config-vservice-voip)#
(config-vservice-voip)# minimize service ?
signal-tcp-src set H.225 signalling source port range
Configure the no. of ports.
control-tcp-src set H.245 control source port range
Configure the no. of ports.
control-tcp-listen set H.245 control listen port range
Configure the no. of ports.
rtp-udp-listen set RTP/RTCP port range
Configure the no. of ports.
5
(config-vservice-voip)# exit
(config)#
Exit from the VoIP
configuration mode.
6
(config)# exit
#
Exit from APOS global
configuration mode.
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