36 CFR Part 1194 - Information and Communication Technology (ICT) Final Standards and Guidelines (with amendments issued through Jan. 2018)

412 ICT with Two-Way Voice Communication

412.1 General.

ICT that provides two-way voice communication shall conform to 412.

412.2 Volume Gain.

ICT that provides two-way voice communication shall conform to 412.2.1 or 412.2.2.

412.2.1 Volume Gain for Wireline Telephones.

Volume gain conforming to 47 CFR 68.317 shall be provided on analog and digital wireline telephones.

412.2.2 Volume Gain for Non-Wireline ICT.

A method for increasing volume shall be provided for non-wireline ICT.

412.3 Interference Reduction and Magnetic Coupling.

Where ICT delivers output by a handset or other type of audio transducer that is typically held up to the ear, ICT shall reduce interference with hearing technologies and provide a means for effective magnetic wireless coupling in conformance with 412.3.1 or 412.3.2.

412.3.1 Wireless Handsets.

ICT in the form of wireless handsets shall conform to ANSI/IEEE C63.19-2011 (incorporated by reference, see 702.5.1).

412.3.2 Wireline Handsets.

ICT in the form of wireline handsets, including cordless handsets, shall conform to TIA-1083-B (incorporated by reference, see 702.9.1).

412.4 Digital Encoding of Speech.

ICT in IP-based networks shall transmit and receive speech that is digitally encoded in the manner specified by ITU-T Recommendation G.722.2 (incorporated by reference, see 702.7.2) or IETF RFC 6716 (incorporated by reference, see 702.8.1).

412.5 Real-Time Text Functionality.

[Reserved].

412.6 Caller ID.

Where provided, caller identification and similar telecommunications functions shall be visible and audible.

412.7 Video Communication.

Where ICT provides real-time video functionality, the quality of the video shall be sufficient to support communication using sign language.

412.8 Legacy TTY Support.

ICT equipment or systems with two-way voice communication that do not themselves provide TTY functionality shall conform to 412.8.

412.8.1 TTY Connectability.

ICT shall include a standard non-acoustic connection point for TTYs.

412.8.2 Voice and Hearing Carry Over.

ICT shall provide a microphone capable of being turned on and off to allow the user to intermix speech with TTY use.

412.8.3 Signal Compatibility.

ICT shall support all commonly used cross-manufacturer non-proprietary standard TTY signal protocols where the system interoperates with the Public Switched Telephone Network (PSTN).

412.8.4 Voice Mail and Other Messaging Systems.

Where provided, voice mail, auto-attendant, interactive voice response, and caller identification systems shall be usable with a TTY.