NOTE
The ORION radio is capable of simplex
DTMF Overdial/Conventional Mode Telephone Interconnect
Once the radio has established a connection to the public telephone system, it may be necessary to
accessed by pressing pthen following the selection mode rules.
The following steps are required to dial these numbers:
1.Follow the procedure in Sending A Telephone Interconnect Call (Trunked Mode Only) to establish a connection to the telephone system or consult the system administrator for the procedure to access a dial tone on the trunked or conventional system.
2.Overdial numbers are transmitted using either method as follows:
METHOD 1: Press and hold PTT while entering the overdial number sequence from the keypad. This method sends DTMF tones during individual, telephone interconnect, trunked group or conventional channel calls. Anytime the PTT button is pressed and held, the keypad is enabled for DTMF entry.
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