Telephone Answering Machine Control Microprocessor
Custom programmed microprocessor that manages call detection, message recording triggers, and remote access functions specifically for telephone answering machines under heading 8521. It handles protocols like DTMF tone decoding unique to voicemail systems. Classified in 8522.90.58.80 as other specialized parts for these devices.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as unprogrammed generic processors
Unspecified ICs without dedicated programming fall under 8542.31 as electronic circuits.
If part of a complete base station rather than standalone answering machine
Complete telecom apparatus including modems go to heading 8517.
If for industrial data processing equipment parts
Microprocessors principally for computers shift to 8473.30.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Submit firmware code excerpts proving answering machine-specific functions like beep detection
• Avoid common error of classifying as general CPUs; highlight proprietary voicemail OS integration
• Ensure country-of-origin marking on ICs complies with substantial transformation rules
Related Products under HTS 8522.90.58.80
Voicemail Tape Head Assembly
Microcassette read/write head for analog tape-based telephone answering machines, optimized for 30-minute message capacity. Designed solely for heading 8521 legacy devices. Under 8522.90.58.80.
Answering Machine LED Display Driver Board
Circuit board driving 7-segment LEDs for message counter and status on telephone answering machines. Interfaces with control CPU for heading 8521. HTS 8522.90.58.80.
Answering Machine Handset Jack Connector
RJ-11 compatible connector module for handset/message playback in telephone answering machines. Shielded for RFI suppression in heading 8521. 8522.90.58.80.
Message Counter Electromechanical Relay
Clicker relay providing audible feedback for each new message in analog answering machines of heading 8521. Custom throw angle for counter mechanism. 8522.90.58.80.
Answering Machine Chassis Wiring Harness
Custom cable assembly interconnecting PCB, transformer, and jacks in telephone answering machine chassis for heading 8521. Pre-cut lengths for compact design. 8522.90.58.80.
Answering Machine Keypad Interface Board
Board handling local control buttons (play, skip, delete) for desktop telephone answering machines. Matrix scanning for 6-button layout. 8522.90.58.80.