Administrator’s Guide for W60P DECT IP PhonesxxAppendix E: Static Settings ............................................................................................................................................... 474Appendix F: SIP (Session Initiation Protocol)............................................................................................................. 479RFC and Internet Draft Support ............................................................................................................................. 479SIP Request..................................................................................................................................................................... 482SIP Header ...................................................................................................................................................................... 483SIP Responses ............................................................................................................................................................... 484SIP Session Description Protocol (SDP) Usage ................................................................................................ 487Appendix G: SIP Call Flows ................................................................................................................................................ 487Successful Call Setup and Disconnect ................................................................................................................ 488Unsuccessful Call Setup—Called User is Busy .................................................................................................. 490Unsuccessful Call Setup—Called User Does Not Answer ............................................................................ 493Successful Call Setup and Call Hold .................................................................................................................... 495Successful Call Setup and Call Waiting .............................................................................................................. 498Call Transfer without Consultation ....................................................................................................................... 502Call Transfer with Consultation .............................................................................................................................. 506Always Call Forward .................................................................................................................................................... 511Busy Call Forward ........................................................................................................................................................ 513No Answer Call Forward ........................................................................................................................................... 517Call Conference ............................................................................................................................................................ 520Index ........................................................................................... 525
