Cisco SPA2102-SF Administration Guide - Page 79
Contact List for a Trunk Group, Configuring Voice Services, Setting the Hunt Policy,
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Configuring Voice Services SIP Trunking and Hunt Groups on the SPA8000 4 STEP 5 If the call is picked up by the PBX, the Line UA replies 200 OK with SDP to the internal Proxy. The Trunk UA in turn replies 200 OK to the ITSP and relay the Line SDP in the 200 OK message also. If all goes well, the Line UA and the ITSP equipment start exchanging RTP packets afterwards. Contact List for a Trunk Group The hunting process for incoming calls is controlled by the Contact List. The Contact List specifies the lines to ring, the order in which to ring them, the duration to ring one line before trying another line, and the maximum period to hunt. Below, the syntax is described and examples are provided to help you to configure the Contact List for each trunk group. SYNTAX: line[,line[,line[...]]],hunt=hrule[,cfwd=target] • line: The line numbers (1 - 8), or a wildcard * or ? to represent all lines. • The Trunk UA rings only trunk lines, that is, lines that are assigned to a trunk group through the Voice tab > Line page, Trunk Group field. The Trunk UA does not ring any standalone lines that are included in the Contact List. The Trunk UA rings any trunk line that is included in the list, even if it is not assigned to the particular trunk group for this Contact List. • You can instruct the SPA8000 to hunt only the phones that are on-hook, through the Voice tab > SIP page, Trunking Parameters section, Hunt Policy field. See "Setting the Hunt Policy," on page 85. • hunt=hrule: The hunt order, ring interval, and maximum duration, in the following format: hunt=algo;interval;max • algo: The hunt order. - re: Restart. Hunting starts at the beginning of the list. If the first line does not answer within the specified interval (see below), the hunt proceeds through the lines in sequential order. - ne: Next. The Trunk UA determines the line that was chosen in the previous hunt, and hunting starts with the next line in the list. If that line does not answer within the specified interval (see below), the hunt proceeds through the lines in sequential order. - ra: Random order. The Trunk UA randomly chooses a line from the list. If the selected line does not answer within the specified interval (see Cisco Small Business ATA Administration Guide 79