Cisco Systems ATA 188, ATA 186 manual Step, Station Call Info, Description

Appendix D SCCP Call Flows

Call Flow Scenarios for Successful Calls

Step	Station Call Info	Description
Step 18	Station Open Receive	Cisco CallManager allows Cisco ATA 1 to begin receiving a
	Channel—Cisco CallManager to Cisco ATA 1	unicast RTP stream.
Step 19	Station Open Receive	Cisco CallManager allows Cisco ATA 2 to begin receiving a
	Channel—Cisco CallManager to Cisco ATA 2	unicast RTP stream.
Step 20	Station Call Info—Cisco CallManager to	Cisco CallManager informs Cisco ATA 1 of called and calling
	Cisco ATA 1	party identification information.
Step 21	Station Open Receive Channel	Cisco ATA 1 provides the following information to the
	Ack—Cisco ATA 1 to Cisco CallManager	Cisco CallManager:
		• Status of the open action
		• Receive-port address and number for transmission to the
		remote end.
Step 22	Station Start Media	Cisco CallManager commands Cisco ATA 2 to become the source
	Transmission—Cisco CallManager to	for the multicast address.
	Cisco ATA 2
Step 23	Station Open Receive Channel	Cisco ATA 2 provides the following information to the
	Ack—Cisco ATA 2 to Cisco CallManager	Cisco CallManager:
		• Status of the open action
		• Receive-port address and number for transmission to the
		remote end.
Step 24	Station Start Media	Cisco CallManager commands Cisco ATA 1 to become the source
	Transmission—Cisco CallManager to	for the multicast address.
	Cisco ATA 1
Step 25	Station On Hook—Cisco ATA 2 to	Cisco ATA 2 informs the Cisco CallManager that the Cisco ATA is
	Cisco CallManager	now in an On Hook condition.
Step 26	Station Close Receive	Cisco CallManager terminates the reception of an RDT stream
	channel—Cisco CallManager to Cisco ATA 1	between Cisco ATA 1 and Cisco ATA 2.
Step 27	Station Set Lamp (Off)—Cisco CallManager to	When the Cisco ATA detects that one port is in an off-hook state,
	Cisco ATA 2	the Cisco ATA turns on its Function button, then turns off the
		Function button once both ports are in the on-hook state.
Step 28	Station Stop Media	Cisco CallManager stops Cisco ATA 1 from being the source of the
	transmission—Cisco CallManager to	RTP stream in a multicast conference.
	Cisco ATA 1—Cisco CallManager to
	Cisco ATA 2
Step 29	Station Close Receive Channel—Cisco	Cisco CallManager terminates the reception of an RDT stream
	CallManager to Cisco ATA 2	between Cisco ATA 1 and Cisco ATA 2.
Step 30	Station Set Lamp (Off)—Cisco CallManager to	When the Cisco ATA detects that one port is in an off-hook state,
	Cisco ATA 1	the Cisco ATA turns on its Function button, then turns off the
		Function button once both ports are in the on-hook state.
Step 31	Station Stop Media Transmission—Cisco	Cisco CallManager terminates the reception of an RDT stream
	CallManager to Cisco ATA 2	between Cisco ATA 1 and Cisco ATA 2.
Step 32	Station On Hook—Cisco ATA 1 to Cisco	Cisco ATA informs the Cisco CallManager that Cisco ATA 1 is
	CallManager	now in an On Hook condition.

Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SCCP)

OL-3141-01 D-7