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D-6
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SCCP)
OL-3141-01
Appendix D SCCP Call Flows
Call Flow Scenarios for Successful Calls
Step 3
Station Start Tone (Inside Dial Tone)—Cisco
CallManager to Cisco ATA 1
Cisco CallManager commands Cisco ATA 1 to play a specified
tone. If the Cisco ATA is currently playing a tone, the indicated
tone takes precedence. If the definition is continuous, the
Cisco ATA plays it until receiving a StationStopTone message. If
the tone definition contains a duration value, the Cisco ATA stops
playing the tone at the expiration of the duration. See also Bellcore
SR-TSV-002275.
Step 4
Station Keypad Button—Cisco ATA 1 to Cisco
CallManager
Cisco ATA 1 informs the Cisco CallManager when a keypad digit
is pressed.
Step 5
Station Stop Tone—Cisco CallManager to
Cisco ATA 1
Cisco CallManager commands Cisco ATA1 to stop playing the
current tone.
Step 6
Station Keypad Button—Cisco ATA 1 to Cisco
CallManager
Cisco ATA 1 informs the Cisco CallManager when a keypad digit
is pressed.
Step 7
Station Keypad Button—Cisco ATA 1 to Cisco
CallManager
Cisco ATA 1 informs the Cisco CallManager when a keypad digit
is pressed.
Step 8
Station Keypad Button—Cisco ATA 1 to Cisco
CallManager
Cisco ATA 1 informs the Cisco CallManager when a keypad digit
is pressed.
Step 9
Station Call Info—Cisco CallManager to
Cisco ATA 2
Cisco CallManager informs Cisco ATA 2 of called and calling
party identification information.
Step 10
Station Set Lamp (Blink)—Cisco CallManager
to Cisco ATA 2
When the Cisco ATA detects that one port is in an off-hook state,
the Cisco ATA turns on its Function button, then turns off the
Function button once both ports are in the on-hook state.
Step 11
Station Set Ringer (Inside
Ring)—Cisco CallManager to Cisco ATA 2
Cisco CallManager commands Cisco ATA 2 to set an audible
inside ringing mode. Ring modes are derived from Bellcore
SR-TSV-002275.
Step 12
Station Call Info—Cisco CallManager to
Cisco ATA 1
Cisco CallManager informs Cisco ATA 1 of called and calling
party identification information.
Step 13
Station Start Tone
(alerting)—Cisco CallManager to Cisco ATA 1
Cisco CallManager commands Cisco ATA 1 to play an alert tone.
If Cisco ATA 1 is currently playing a tone, the indicated tone takes
precedence. If the definition is continuous, the Cisco ATA plays it
until receiving a StationStopTone message. If the tone definition
contains a duration value, the Cisco ATA stops playing the tone at
the expiration of the duration. See also Bellcore SR-TSV-002275.
Step 14
Station OffHook—Cisco ATA 2 to
Cisco CallManager
Cisco ATA 2 informs the Cisco CallManager that Cisco ATA 2 is
not in an Off Hook condition, and simultaneously provides calling
party number information to the Cisco CallManager.
Step 15
Station Set Ringer (Off)—Cisco CallManager
to Cisco ATA 2
Cisco CallManager commands Cisco ATA 2 to set a specified
audible ringing mode. Ring modes are derived from Bellcore
SR-TSV-002275.
Step 16
Station Stop Tone—Cisco CallManager to
Cisco ATA 1
Cisco CallManager commands Cisco ATA 1 to stop playing the
current tone.
Step 17
Station Set Lamp
(Steady)—Cisco CallManager to Cisco ATA 2
When the Cisco ATA detects that one port is in an off-hook state,
the Cisco ATA turns on its function button, then turns off the
Function button once both ports are in the on-hook state.
Step Station Call Info Description