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23
AXB-DTMF+ DTMF+ Interface
Channel Codes (Cont.)
Operation Channel # Description (ON Indicates)
Detection (Cont.) 39 Indicates a momentary loss of loop current (call termination).
Call Progress Reporting returned to the Axcess AXC-EM when
call termination is detected.
Detection of call termination (other end hung up) is usually pro-
vided by the telephone company and is activated by a momentary
loss of loop current. However, if this is not available, the DTMF+ is
triggered by the receiver off-hook tone which occurs approximately
1 minute after call termination.
40 Indicates receiver off-hook tone.
Call Progress Reporting returned to the Axcess AXC-EM when a
receiver off-hook is detected.
45 Indicates time out while waiting for the dial tone during a wait (W)
in the Dial Send_Command.
47 Indicates dial tone presence.
Distinctive Ring 41-44 The AXB-DTMF+ provides report capability for the type of ring
received. Distinctive ringing is a service that must be obtained
from the telephone company. This service allows the same tele-
phone line to be reached by dialing different telephone numbers.
The receiving telephone then rings in a distinctive manner accord-
ing to the number dialed.
The AXB-DTMF+ provides 4 distinctive ring type patterns.
These default patterns can be changed and are as follows:
41 Default Pattern 1
The first ring lasts 2 seconds followed by 4 seconds of silence.
42 Default Pattern 2
There are 2 long rings in a 2 second period followed by 4 seconds
of silence.
43 Default Pattern 3
There are 2 short then 1 long ring in a 2 second period followed by
4 seconds of silence.
44 Default Pattern 4
There is 1 short, 1 long, and 1 short ring within a 2 second period
followed by 4 seconds of silence.