Cisco Systems ATA 188 manual Cisco ATA-to-Cisco CallManager-to-Cisco ATA, Step, Station Call Info

Appendix D SCCP Call Flows

Call Flow Scenarios for Successful Calls

Cisco ATA-to-Cisco CallManager-to-Cisco ATA

Figure D-2illustrates the call flow between Cisco ATA 1 and Cisco ATA 2 through a Cisco CallManager. The call flow is as follows:

Figure D-2 Cisco ATA-to-Cisco CallManager-to-Cisco ATA

V				V
Cisco ATA	Cisco CallManager		Cisco ATA
Station OffHook
Station Display Text
Station Set Lamp (Steady)
Station Start Tone (Inside Dial Tone)
Station Keypad Button
Station Stop Tone
Station Keypad Button
Station Keypad Button
Station Keypad Button		Station Call Info
		Station Set Lamp (Blink)
Station Call Info		Station Set Ringer (Inside Ring)
Station Start Tone (Alerting)		Station Off Hook
Station Stop Tone		Station Set Ringer (Off)
		Station Set Lamp (Steady)
Station Open Receive Channel
		Station Open Receive Channel
Station Cell Info
Station Open Receive Channel Ack		Station Start Media Xmission
Station	Start Media Xmission	Station Open Receive Channel Ack
	User Information Exchange
Station Close Receive Channel		Station On Hook
Station Stop Media Xmission		Station Set Lamp (Off)
Station Set Lamp (Off)		Station Close Receive Channel
Station On Hook		Station Stop Media Xmission		82054

Table D-2 Action Descriptions for Second Call Flow

Step	Station Call Info	Description
Step 1	Station OffHook—Cisco ATA 1 to	Cisco ATA 1 informs the Cisco CallManager that Cisco ATA 1 is
	Cisco CallManager	not in an OffHook condition, and simultaneously provides calling
		party number information to the Cisco CallManager.
Step 2	Station Set Lamp (Steady)—Cisco	When the Cisco ATA detects that one port is in an off-hook state,
	CallManager to Cisco ATA 1	the Cisco ATA turns on the lamp, then turns off the lamp once both
		ports are in the on-hook state.
	Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SCCP)
OL-3141-01			D-5