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7K • Chapter 7
The lettered characters have only a temporary effect. Once the phone number
is dialed, the dialer will assume the next call will be dialed using the Standard
Mode. (By the way, the Select Autopatch Dialing Mode command (on page 7-6)
is used to select the standard mode.)
Examples
Let's use some examples to illustrate this feature. Assume the standard mode
of dialing is rotary. Assume you must dial a local 7-digit number such as 987-
6543, pause for a second dial tone, then dial another number in DTMF, such
as 234 567 890. Enter your telephone number like this:
987 6543 B D 234 567 890
You will have to make an entry into the Accepted Number Table (page 7-38) so
that the controller will allow this 16-digit number. You can allow
"9876543234567890" or you can allow sixteen "A"s (which would allow any 16-
digit number to be dialed). In the above example, the controller would dial
9876543 in rotary (pulse) format, pause 5-seconds, then dial 234567890 in
DTMF.
Autopatch Conversation Control
During a standard half-duplex autopatch, the mobile operator always has
control of the conversation. When the mobile is transmitting, audio from the
receiver is fed to the phone line. Audio from the phone line is not allowed to
feed the transmitter. If Enable/Disable Autopatch Privacy is turned OFF
(disabled), the mobile audio is allowed to repeat. If Enable/Disable Autopatch
Privacy is turned ON (enabled), the mobile audio is not allowed to repeat. (See
page 7-18 for discussion of this command.)
When the mobile is listening, audio from the receiver is not allowed to feed the
phone line. Audio from the phone line is fed to the transmitter.
With this scheme, the mobile operator can cut off the telephone party by simply
pushing the PTT button.
During a full-duplex autopatch, audio feeds both ways for the duration of the
conversation. Operators do not have the ability to cut off the telephone party
with PTT, but must control the call with only the Dump Autopatch Using a Code
command on page 7-15.
7-4
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