Call Waiting Decoder - Elan Microelectronics Corp

This is a new version of Call Waiting service decoder on the telephone AG8889AP AG8889N . Call Waiting service works by alerting a customer engaged in a telephone call to a new incoming call. This way the customer CAN still receive important calls while engaged in a current call. The Call Waiting decoder CAN detect dual Tone (2130Hz and 2750Hz) alert signal and generate a valid signal on the data pins for micro controller. By ELAN Microelectronics Corp