ISU AT Command Reference

ISU AT Command ReferencePhase III AT Commands7.2.1 Direct Dial From Phonebook (Revised)The ISU and SIM contain phonebooks which have a phone number and an alphanumeric field for eachphonebook entry location. The use of V.25ter dialing command ensures that direct dialing from phonememory and SIM phonebook is possible through ordinary communications software which just gives thephone number field to be filled and then use the D command to originate the call. Available memories maybe queried with Select Phonebook Storage test command +CPBS=?, and location range for example withRead Phonebook Entries test command +CPBR=?.Execute commands:D>[;]Originate call to phone number which corresponding alphanumeric field is (if possible, all availablememories should be searched for the correct entry). is of string type value and should enclosed by ““(e.g., “John”).D> mem[;]Originate call to phone number in memory mem entry location (available memories may be queriedwith Select Phonebook Storage test command +CPBS=?).mem can be one of the following:FD SIM fixed dialing phonebookLD Last ten calls dialed phonebookME Phone memoryMT combined phone and SIM phonebook locationsSM SIM phonebookD>[;]Originate call to phone number in entry location (the command Select Phonebook Memory Storage+CPBS setting determines which phonebook storage is used).7.3 Hn - Hangup (Revised)Control the hook switch. This command is used to clear a data call connection. It is also used to clear avoice call connection when the ISU has originated the voice call with the ATD dial command or terminatedthe voice call with the ATA or ATS0=n answer command.0 Place the ISU on hook.7.4 S0=n - Auto-Answer (Revised)Auto-answer. This causes the ISU to auto-answer the incoming data or voice call.0 Disable auto-answer.n>0 Enable auto-answer after n ringsVersion 2.6March 30, 2006 48