Cisco SPA525G Administration Guide - Page 99
Configuring RTP Parameters, User ID@Proxy, Display Name, Anonymous
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Configuring SIP, SPCP, and NAT Configuring SIP 5 Configuring RTP Parameters To configure individual RTP parameters: STEP 1 Log in to the web administration interface. STEP 2 Click Admin Login and advanced. STEP 3 Click the SIP tab. STEP 4 Under RTP Parameters, configure the following fields: • RTP Port Min-Minimum port number for RTP transmission and reception. and should define a range that contains at least 10 even number ports (twice the number of lines); for example, 100 - 106. Defaults to 16384. • RTP Port Max-Maximum port number for RTP transmission and reception. and should define a range that contains at least 10 even number ports (twice the number of lines); for example, 100 - 106. Defaults to 16482. • RTP Packet Size-Packet size in seconds, which can range from 0.01 to 0.16. Valid values must be a multiple of 0.01 seconds. Defaults to 0.030. • Max RTP ICMP Err-Number of successive ICMP errors allowed when transmitting RTP packets to the peer before the Cisco IP phone terminates the call. If the value is set to 0 (the default), the Cisco IP phone ignores the limit on ICMP errors, disabling the feature. • RTCP Tx Interval-Interval for sending out RTCP sender reports on an active connection. During an active connection, the Cisco IP phone can be programmed to send out compound RTCP packet on the connection. Each compound RTP packet except the last one contains a sender report (SR) and a source description (SDES). The last RTCP packet contains an additional BYE packet. Each SR except the last one contains exactly 1 receiver report (RR); the last SR carries no RR. The SDES contains CNAME, NAME, and TOOL identifiers.: - CNAME is set to User ID@Proxy - NAME is set to Display Name (or Anonymous if user blocks caller ID) - TOOL is set to the Vendor/Hardware-platform-software-version (such as Cisco/SPA9000-5.2.2(SCb)). Cisco SPA and Wireless IP Phone Administration Guide 97