Avaya 555-233-116 사용자 설명서
Issue 4 October 2002
171
555-233-116
12
Busy tone disconnect equipment for
non-U.S. installations
non-U.S. installations
The customer-provided busy tone disconnect adjunct detects disconnects of
incoming calls on loop-start, 2-wire, analog trunks. In some countries outside the
United States, the PSTN sends tones in the voice band instead of line disconnect
signals.
incoming calls on loop-start, 2-wire, analog trunks. In some countries outside the
United States, the PSTN sends tones in the voice band instead of line disconnect
signals.
shows typical connections.
NOTE:
The busy tone disconnect feature is not currently supported on a
G700 Media Gateway.
G700 Media Gateway.
Figure 39.
Typical cabling for busy tone disconnect
1. Public switched telephone network
2. Main distribution frame
3. Busy tone disconnect device
2. Main distribution frame
3. Busy tone disconnect device
4. Tip and ring wires
5. To loop-start, central-office, trunk
5. To loop-start, central-office, trunk
circuit pack such as a TN747B
cydf057 RPY 123097
1
2
2
3
4
4
4
5