Panasonic KX-TDA0480 Installation Manual

Also see for KX-TDA0480: Getting started Getting started guide Getting started

Contents

Panasonic KX-TDA0480 Installation Manual Manual pdf 148 page image

Appendices148 Installation ManualFR, F/T1, and T1), and the Internet Service Provider (ISP) facilities also affect performance.Transmission delays are caused by excessive packet collisions. The probability that thiscondition will affect the KX-TDA0480 performance can be minimised by taking steps toprovide the KX-TDA0480 with clear transmission paths.KX-TDA0480 LocationOne preventative measure is to install the KX-TDA0480 so that the number of transmissionhops is kept to a minimum. In the figure below, the KX-TDA0480 is located as close to theWAN interface as possible.Priority ControlSome routers permit the configuration of priority control features. This allows the router to beconfigured to give higher priority to packets with high priority flags.The priority control feature should be used when available. The KX-TDA0480 port numberingfor the various packet types is presented in the following table.ItemNo.Type of Communication Port No. TCP /UDP1 Q.931 1720 TCP2 H.245 1721, 1722, 1723, 1724 TCP3 RAS 1718, 1719 UDP4 RTP / RTCP 5004 - 5011 UDP5 Telnet, FTP 21, 23 TCPIP PBXRouterSwitchToo many HOPS!SwitchHubIP PBXRouterSwitchBetter!(IP PBX located nearestWAN access point)SwitchHub