| (a.i) Does telecommunications product/system (which provides functions allowing voice communication but which does not itself provide TTY functionality) provide a standard non-acoustic connection point for TTYs? |
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| (a.ii) Are any microphones capable of being turned on and off to allow the user to intermix speech with TTY use? |
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| (b) Do telecommunications products (which include voice communication functionality) support all commonly used cross-manufacturer non-proprietary standard TTY signal protocols? |
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| (c) Are voice mail, auto-attendant, and interactive voice response telecommunications systems usable by TTY users with their TTYs? |
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| (d.i) Do voice mail, messaging, auto-attendant, and interactive voice response telecommunications systems (that require a response from a user within a time interval) give an alert when the time interval is about to run out? |
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| (d.ii) Do voice mail, messaging, auto-attendant, and interactive voice response telecommunications systems (that require a response from a user within a time interval) provide sufficient time for the user to indicate that more time is required? |
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| (e) If provided, are caller identification and similar telecommunications functions also available for users of TTYs and for users who cannot see displays? |
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| (f.i) For transmitted voice signals, do telecommunications products provide a gain adjustable up to a minimum of 20 dB? |
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| (f.ii) For incremental volume control, is at least one intermediate step of 12 dB of gain provided? |
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| (h) If telecommunications product delivers output by an audio transducer which is normally held up to the ear, is there a means provided for effective magnetic wireless coupling to hearing technologies? |
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| (i) Is interference to hearing technologies (including hearing aids, cochlear implants, and assistive listening devices) reduced to lowest possible level that allows a user of hearing technologies to use the telecommunications product? |
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| (j.i) Do products that transmit or conduct information or communication, pass through cross-manufacturer, non-proprietary, industry-standard codes, translation protocols, formats or other information necessary to provide the information or communication in a usable format? |
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| (j.ii) Have technologies which use encoding, signal compression, format transformation, or similar techniques not removed information needed for access or have the capability to restore it upon delivery? |
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| (k)(1) If product has mechanically operated controls or keys, are controls and keys tactilely discernible without activating the controls or keys? |
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| (k)(2.i) If the product has mechanically operated controls or keys, are controls and keys operable with one hand and do not require tight grasping, pinching, or twisting of the wrist? |
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| (k)(2.ii) If product has mechanically operated controls or keys, is force required to activate controls/keys 5 lbs. (22.2 N) maximum? |
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| (k)(3.i) If the product has mechanically operated controls or keys, and key repeat is supported, is the delay before repeat adjustable to at least 2 seconds? |
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| (k)(3.ii) If the product has mechanically operated controls or keys, and key repeat is supported, is the repeat rate adjustable to 2 seconds per character? |
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| (k)(4) If product has mechanically operated controls or keys, is the status of all locking or toggle controls or keys visually discernible, and discernible either through touch or sound? |
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