Prodys ProntoNet LC - VI.9.1 Establishing ISDN Calls

ProntoNetLC User Manual 131
VI.9.1 Establishing ISDN calls
To make a call the CALL 1 and CALL 2 keys are used, or an entry from the
Address Book is selected using the BOOK key. Bear in mind that the use of an
entry in the Address Book will also reconfigure the Encoder and so is not limited