Ericsson LBI-38732D manual

require DTMF (Dual-Tone Multi-Frequency) access dig- its. Overdial operation can also be used to initiate a telephone interconnect call via DTMF signalling if a dial tone has already been accessed on the system. This is the method that is used for making a telephone intercon- nect call while operating in the conventional mode but will also function in trunked mode if a dial tone is directly accessible. Telephone numbers and other number se- quences for overdialing can be stored in the phone list when programming the radio or stored by the operator in the first ten phone list entries. These numbers are ac- cessed by pressing *then following the selection mode rules.

The following steps are required to dial these numbers:

1.Follow the procedure in Sending A Telephone In- terconnect 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 below:

METHOD 1: Press and hold PTT while entering the overdial number sequence from the key- pad. This method sends DTMF tones dur- ing individual, telephone interconnect, trunked group or conventional channel calls. Anytime the PTT button is pressed and held, the keypad is enabled for DTMF entry.

71