Cisco Systems 1.3.0 manual Forward All

SIP Phone		UA Marshal		Redirect Server	Feature Server:	FAC	SIP Phone	SIP
								IP
		16.	ACK					Phone to
		17.	INVITE
		18.	100					SIP
								IP
		19.	180					Phone:
20.	180
		21.	200					Forward All
22.	200
23.	ACK
								Calls
		24.	ACK
		25.	BYE
26.	BYE
27.	200
		28.	200

Figure C-15. Call Flow Diagram: SIP IP Phone to SIP IP Phone: Forward All Calls — Diagram 2

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