Cisco 521SG Administration Guide - Page 118

Configuring SIP, SPCP, and NAT Configuring SIP 4 Parameter Description Sticky 183 When enabled, the IP telephony ignores further 180 SIP responses after receiving the first 183 SIP response for an outbound INVITE. To enable this feature, select yes. Otherwise, select no. Defaults to no. Auth INVITE When enabled, authorization is required for initial incoming INVITE requests from the SIP proxy. To enable this feature, select yes. Otherwise, select no. Defaults to no. Not applicable to the Cisco WIP310. Ntfy Refer On 1xxTo-Inv When enabled as a transferee, the phone sends a NOTIFY with Event:Refer to the transferor for any 1xx response returned by the transfer target, on the transfer call leg. To enable this feature, select yes. If set to no, the phone only sends a NOTIFY for final responses (200 and higher). Not applicable to the Cisco WIP310. Use Anonymous with RPID When enabled and the caller blocks his caller-id, the FROM header display-name and user-id fields are set to anonymous. This parameter applies only if is set to yes; otherwise, it is ignored. When disabled, the FROM header display-name and user-id are not masked. The Remote-Party-ID header indicates privacy=full when the caller tries to block his caller-id. To enable this feature, select yes. Otherwise, select no. Defaults to yes. Not applicable to the Cisco WIP310. Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 117