Cisco 521SG Administration Guide - Page 233

Cisco SPA IP Phone Field Reference SIP Tab A Parameter Escape Display Name SIP-B Enable Talk Package Hold Package Conference Package Notify Conference RFC 2543 Call Hold Description Lets you keep the Display Name private. Select yes if you want the IP phone to enclose the string (configured in the Display Name) in a pair of double quotes for outbound SIP messages. Any occurrences of or \ in the string is escaped with \ and \\ inside the pair of double quotes. Otherwise, select no. Defaults to yes. Enables SIP for Business (supports Sylantro call flows) call features. Enables support for the BroadSoft Talk Package, which enables a user to answer or resume a call by clicking a button in an external application. Enables support for the BroadSoft Hold Package, which enables a user to place a call on hold by clicking a button in an external application. Enables support for the BroadSoft Conference Package, which enables a user to start a conference by clicking a button in an external application. If enabled, the unit will send out a NOTIFY with event=conference when starting a conference. If set to yes, unit will include c=0.0.0.0 syntax in SDP when sending a SIP re-INVITE to the peer to hold the call. If set to no, unit will not include the c=0.0.0.0 syntax in the SDP. The unit will always include a=sendonly syntax in the SDP in either case. Defaults to yes. Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 232