Call Detection .................................................................................. 4-6Caller ID Functions ........................................................................... 4-7Service Types ............................................................................... 4-7Applications of Caller ID Technology ............................................ 4-7How the Business Modem Handles Caller ID ................................ 4-8Presentation Formats ................................................................... 4-9Commands ................................................................................. 4-9References ................................................................................ 4-10Distinctive Ring Support ................................................................. 4-10Commands ............................................................................... 4-11Result Codes ............................................................................. 4-125 WORKING WITH MEMORYOverview .......................................................................................... 5-1Working with RAM and NVRAM ................................................. 5-2Saving a Phone Number to NVRAM .................................................. 5-2Displaying S-Register Value Information ....................................... 5-3Saving a Command String to NVRAM ......................................... 5-3Working with Flash Memory ............................................................. 5-3Saving ROM Templates to NVRAM .............................................. 5-4Default Settings ................................................................................ 5-46 C ONTROLLING RESULT C ODE DISPLAYSResult Code Display Commands ....................................................... 6-1Additional Result Code Subsets ........................................................ 6-27 C ONTROLLING EIA-232 SIGNALINGData Terminal Ready ......................................................................... 7-1Data Set Ready ................................................................................. 7-2Carrier Detect ................................................................................... 7-38 C ONTROLLING DATA R ATESOverview .......................................................................................... 8-1Serial Port Rates ............................................................................... 8-1Connection Rates ............................................................................. 8-3
