DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506 Issue 1
April 2000
Screen reference
839Multifrequency-Signaling-Related System Parameters
17
Tones from CO on Outgoing Backward Calls —
Group B
Message codes between 1 and 15 display. Assign a meaning to each code. Ref er to
‘‘Definitions of Group I, II, A, and B signals’’ on page 839 for signal type.
Definitions of Group I, II, A, and B signals
Group I signals
Group I signals are a set of forward signals generated by the originating switch.
ani-avail
Used in Hungary. If this signal is defined and ANI is requested on outgoing
R2-MFC calls, ANI is sent to the CO before ANI call er digits are sent. This signal
is sent after the ANI caller category signal.
ani-not-avail
Used on DOD calls in Brazil and Columbia. The switch sends this signal to the
CO when it receives an ANI request and the caller’s number is not available.
digits 1 to 10
The signals from group I.1 to I.10 are reserved for address digits 0 to 9.
drop
When this signal is received from the CO, the switch starts the disconnect
sequence and drops the call.
end-of-ani
This signal is used on DOD and DID calls. The switch sends this signal to indic ate
the end-of-ANI digits when ANI digits are sent to the CO.
Valid entries Usage
busy
congestion
free
mct
tariff-free
toll-busy
intercept