RFC-1 Advanced Operation page 6.40
6.8.4.3 Calling Pagers in Voice Mode
The RFC-1 can call a text pager in data mode or in voice/DTMF mode. Calling a pager in voice mode does not
require extra hardware. The pager message will consist of a programmable site ID number and, optionally, the
number of the telemetry channel that triggered the alarm.
The RFC-1 must be set to dial using DTMF tones rather than pulse dialing to call a pager in this mode. This setting is
discussed in section 6.8.5.
Calling a pager in voice mode requires the RFC-1 to call the pager and send extra digits as if a person was paging.
Some paging systems recognize keystrokes immediately on answering. Other paging systems require keystrokes to
navigate a menu system before paging. The RFC-1 should be able to interact with either type of system with proper
programming. Paging systems with menus require commands and pauses to be simulated in the ID described below.
Calling a text-based pager with the RFC-1 requires programming two telephone numbers. The first number is the
telephone number of the pager. It can be programmed as telephone number A, B, C or D. The second number is the
site ID that will be sent to the pager. This can be the telephone number at the transmitter site or any other series of
numbers that will uniquely identify the site. The site ID number must be programmed at telephone number E.
There are special rules for programming the site ID number. The first digit must be 10 of the site ID number must be
10. This stops the standard calling routines from dialing the site ID number. All remaining digits of telephone number
E are programmed with the digits that will be sent to the pager. If the paging terminal has a menu, those keystrokes
should be programmed here as well.
• To dial the ❊ key, program the value 11 in the site ID number where the ❊ should occur.
• To dial the # key, program the value 12 in the site ID number where the # should occur.
• To insert a pause, program the value 13 in the site ID number where the pause should occur.
Some paging systems require the sender to terminate the entry, in this case the site ID, by pressing the # key.
Program the value 12 as the last digit of the site ID to send the #. The paging system will interpret this tone as the
end of the sequence and terminate the call. Most systems will time out and send the page even without the # key.
If the value 11 (❊) is programmed as a digit in the site ID, the RFC-1 will send a dash and the number of the channel
that triggered the alarm. Some paging systems ignore the ❊ key in which case these characters may be dropped.
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