Panasonic KX-NCP500 Programming Manual

Also see for KX-NCP1000: Brochure & specs Specifications Installation manual Guide Networking guide

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Panasonic KX-NCP500 Programming Manual Manual pdf 9 page image

1.2 Important Notice for Subscription and Installation1.2.1 Port RequirementsRequired Ports for Each ChannelWhen configuring a router with NAT enabled, you need to secure a certain number of ports for each SIP andRTP/RTCP channel. For RTP/RTCP, the number of required ports is double the number of activated SIP COlines (Ch). For SIP signaling, the number of required ports is always one regardless of the number of activatedSIP CO lines (Ch).If 4 SIP CO line channels are activated, you need the following number of ports:Protocol Type Required PortRTP 4RTCP 4SIP 1Total 91.2.2 Firewall RequirementsIf the VoIP network contains a firewall, you must configure the firewall to allow VoIP packets to pass throughcertain ports of the ports listed below without being blocked by filtering. The ports for which you need toconfigure the firewall may vary depending on the network conditions.For more information, consult your network administrator.[IP Packets to V-SIPGW16 Card]Port TCP/UDP Default Port No.SIP Client Port UDP 35060STUN Client Port UDP 33478NAT Voice (RTP) UDP Port UDP 16000 to NDNS (Client) Port UDP 30053[IP Packets from V-SIPGW16 Card]Port TCP/UDP Default Port No.SIP Server Port UDP 5060Registrar Server Port UDP 5060STUN Server Port UDP 3478Manual DNS Server Port UDP 53Document Version 2011-10 Programming Manual for Virtual SIP CO Line Card 91.2.2 Firewall Requirements