Linksys SPA921 Cisco Small Business IP Phone SPA9X1 Administration Guide - Page 148

Chapter 5 Linksys IP Phone Field Reference Ext Tab Field Proxy Redundancy Method Description Select Normal or Based on SRV port. The phone creates an internal list of proxies returned in the DNS SRV records. If you select Normal, the list contains proxies ranked by weight and priority. If you select Based on SRV, the phone uses normal, then inspects the port number based on the first listed proxy port. Defaults to Normal. Subscriber Information Note Many of the following parameters do not apply to the SPA901. Field Display Name User ID Password Use Auth ID Auth ID Mini Certificate SRTP Private Key Description Display name for caller ID. Extension number for this line. Password for this line. Defaults to blank. To use the authentication ID and password for SIP authentication, select yes. Otherwise, select no to use the user ID and password. Defaults to no. Authentication ID for SIP authentication. Defaults to blank. Base64 encoded of Mini-Certificate concatenated with the 1024-bit public key of the CA signing the MC of all subscribers in the group. Defaults to blank. Base64 encoded of the 512-bit private key per subscriber for establishment of a secure call. Defaults to blank. Audio Configuration A codec resource is considered as allocated if it has been included in the SDP codec list of an active call, even though it eventually may not be the one chosen for the connection. So, if the G.729a codec is enabled and included in the codec list, that resource is tied up until the end of the call whether or not the Firmware Version 5.1 Linksys IP Phone Administrator Guide 5-43