Application LAN Side Port Number WAN Side Port NumberRTP (UDP) Start/End RTP (UDP) Port No.(Use port numbers that are in therange of the RTP ports that the PBXuses.)*1Start/End RTP (UDP) Port No.(Use port numbers that are in therange of the RTP ports that the PBXuses.)*1Make sure the RTP Start Port (UDP) and the RTP End Port (UDP) specifiedfor the router are in the range of the RTP ports that the PBX uses. For therange of RTP port numbers that the PBX uses, refer to "Port Numbers forOptional DSP Card" in "8.6 Port Security".*1FTP The port number used for the FTPprotocol. This is used for softwareupdates.NAT - FTP Server Port No.(Use the same value as in step 5 of"Programming the PBX with Built-inMedia Relay Gateway".)*1 The port number ranges must be within the range of RTP/RTCP for NAT traversal (16000–18047).Up to 2 IP addresses can be assigned to the KX-NS500’s optional DSP cards. The following example shows the port number rangesset for each IP address:For the IP-CS (KX-NS0154 only):Application LAN Side Port Number WAN Side Port NumberPTAP Signalling (PTAP) UDP Port No.(Server)(refer to PC Programming Manual"9.17 PBX Configuration—[1-1]Configuration—Slot—CardProperty—V-IPCS")Signalling (PTAP) UDP Port No.(Server)(refer to PC Programming Manual"9.17 PBX Configuration—[1-1]Configuration—Slot—CardProperty—V-IPCS")MGCP Signalling (MGCP) UDP Port No.(Server)(refer to PC Programming Manual"9.17 PBX Configuration—[1-1]Configuration—Slot—CardProperty—V-IPCS")NAT - MGCP Server Port No. forIP-CS(Use the same value as in step 5 of"Programming the PBX with Built-inMedia Relay Gateway".)RTP (UDP) Start/End RTP (UDP) Port No.(Use port numbers that are in therange of the RTP ports that the PBXuses.)*1Start/End RTP (UDP) Port No.(Use port numbers that are in therange of the RTP ports that the PBXuses.)*1Make sure the RTP Start Port (UDP) and the RTP End Port (UDP) specifiedfor the router are in the range of the RTP ports that the PBX uses. For therange of RTP port numbers that the PBX uses, refer to "Port Numbers forOptional DSP Card" in "8.6 Port Security".*1FTP The port number used for the FTPprotocol. This is used for softwareupdates.NAT - FTP Server Port No.(Use the same value as in step 5 of"Programming the PBX with Built-inMedia Relay Gateway".)*1 The port number ranges must be within the range of RTP/RTCP for NAT traversal (16000–18047).270 Installation Manual5.8.4 Installing IP Phones at a Remote Site with a Built-in Media Relay Gateway
