Contents
iv
Cisco SIP IP Phone Administrator Guide
APPENDIX
B SIP Call Flows B-1
Call Flow Scenarios for Successful Calls B-1
Gateway-to Cisco SIP IP Phone—Successful Call Setup and Disconnect B-2
Gateway-to-Cisco SIP IP Phone—Successful Call Setup and Call Hold B-4
Cisco SIP IP Phone-to-Cisco SIP IP Phone Simple Call Hold B-6
Cisco SIP IP Phone-to-Cisco SIP IP Phone Call Hold with Consultation B-9
Cisco SIP IP Phone-to-Cisco SIP IP Phone Call Waiting B-13
Cisco SIP IP Phone-to-Cisco SIP IP Phone Call Transfer Without Consultation B-17
Cisco SIP IP Phone-to-Cisco SIP IP Phone Call Transfer Without Consultation Using Failover to
Bye/Also
B-21
Cisco SIP IP Phone-to-Cisco SIP IP Phone Call Transfer with Consultation B-25
Cisco SIP IP Phone-to-Cisco SIP IP Phone Call Transfer with Consultation Using Failover to
Bye/Also
B-30
Cisco SIP IP Phone-to-Cisco SIP IP Phone Network Call Forwarding (Unconditional) B-35
Cisco SIP IP Phone-to-Cisco SIP IP Phone Network Call Forwarding (Busy) B-37
Cisco SIP IP Phone-to-Cisco SIP IP Phone Network Call Forwarding (No Answer) B-39
Cisco SIP IP Phone-to Cisco SIP IP Phone Three-Way Calling B-42
Call Flow Scenarios for Failed Calls B-46
Gateway-to-Cisco SIP IP Phone—Called User Is Busy B-46
Gateway-to-Cisco SIP IP Phone—Called User Does Not Answer B-48
Gateway-to-Cisco SIP IP Phone—Client, Server, or Global Error B-50
Cisco SIP IP Phone-to-Cisco SIP IP Phone—Called User Is Busy B-51
Cisco SIP IP Phone-to-Cisco SIP IP Phone—Called User Does Not Answer B-52
Cisco SIP IP Phone-to-Cisco SIP IP Phone—Authentication Error B-53
Call from a Cisco SIP IP Phone to a Gateway Acting as a Backup Proxy B-54
Call from a Cisco SIP IP Phone to a Cisco SIP IP Phone via a Backup Proxy B-56
Call from a Cisco SIP IP Phone to a Gateway Acting as an Emergency Proxy B-59
Call from a Cisco SIP IP Phone to a Cisco SIP IP Phone via Emergency Proxy B-60
APPENDIX
C Technical Specifications C-1
Physical and Operating Environment Specifications C-1
Cable Specifications C-2
Regulatory Safety Compliance C-2
Connections Specifications C-3
APPENDIX
D Translated Safety Warnings D-1
Installation Warning D-1
Product Disposal Warning D-1
Lightning Activity Warning D-2