DTMF Tone Decoder Chip for Answering Machines from Canada
Integrated circuit that decodes dual-tone multi-frequency signals to remotely activate message playback or recording in telephone answering machines. Specifically programmed for answering system remote access protocols. Covered by 8522.90.58 as other parts.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Datasheets must specify DTMF decoding for answering machine remote control functions
• Avoid bulk IC shipments without end-use declaration for answering apparatus
• May be misclassified as general telecom ICs under 8517 parts if not specified