Cisco SPA525G Administration Guide - Page 260

SPA and Wireless IP Phone Field Reference Ext Tab B Parameter Auth INVITE Ntfy Refer On 1xx-To-Inv Use Anonymous With RPID Set G729annexb Description When enabled, authorization is required for initial incoming INVITE requests from the SIP proxy. If set to yes, as a transferee, the phone will send a NOTIFY with Event:Refer to the transferor for any 1xx response returned by the transfer target, on the transfer call leg. If set to no, the phone will only send a NOTIFY for final responses (200 and higher). NOTE: Not applicable to the WIP310. This parameter applies only if is set to yes; otherwise, it is ignored. If the parameter is set to yes, the FROM header's display-name and user-id fields are set to anonymous when the caller blocks his caller-id. If the parameter is set to no, the FROM header's display-name and user-id are not masked. The Remote-Party-ID header indicates privacy=full when the caller wishes to block his callerid. Default: yes. NOTE: Not applicable to the WIP310. Configure G.729 Annex B settings. NOTE Not applicable to SPA525G. Call Feature Settings Parameter Blind Attn-Xfer Enable Cisco SPA and Wireless IP Phone Administration Guide Description Enables the IP phone to perform an attended transfer operation by ending the current call leg and performing a blind transfer of the other call leg. If this feature is disabled, the IP phone performs an attended transfer operation by referring the other call leg to the current call leg while maintaining both call legs. To use this feature, select yes. Otherwise, select no. Defaults to no. 258