&DOO)ORZV
This chapter provides call flows diagram and IP trace logs for several call
scenarios.
Topic See Page
SIP Phone: Registration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3
Registration: Access List Authentication . . . . . . . . . . . . . . . . . . . . . . C-4
Registration: Digest Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . C-6
SIP IP Phone to SIP IP Phone: Call Setup and Disconnect . . . . . . C-8
SIP IP Phone to Analog Phone via Gateway . . . . . . . . . . . . . . . . . . C-16
SIP Phone to Phone via Gateway: Called Party is Busy. . . . . . . . . C-26
SIP IP Phone to SIP IP Phone: Forward All Calls . . . . . . . . . . . . . . C-35
Phone to SIP Phone via Gateway: Call Screening . . . . . . . . . . . . . C-45
SIP Phone to PSTN: Call Blocking . . . . . . . . . . . . . . . . . . . . . . . . . . C-51
SIP IP Phone to SIP IP Phone: Call Return . . . . . . . . . . . . . . . . . . . C-56
User Agent to User Agent: Call Waiting. . . . . . . . . . . . . . . . . . . . . . C-75
SIP IP Phone to SIP IP Phone: Forward to Voice Mail . . . . . . . . . . C-91