Avaya 3902 Installation And Application Manual page 3

About the External Alerter and Recording Interface
The External Alerter and Recording Interface connect s to any 3900 series
Digital Telephone except the 3901 which has no accessory port. In order to use
the External Alerter And Recording Interface accessory, the telephone must be
equipped with the 3900 series ACM (Accessory Connection Module) in the footstand and the
power supply (purchase separately).
The External Alerter and Recording Interface provides relay contact outputs for
both ringing and call status (off-hook condition) for activation of third party peripheral
products such as loud ringers or call-in-progress indicators. Additionally, the
External Alerter and Recording Interface provides an audio output connection to voice
recording equipment (as permitted by law).**
The audio output level from the External Alerter and Recording Interface can
vary with handset, headset, or hands-free. L evels may also vary between local and
remote speech, and between users. For this reason, voice recorders wi th ALC (automatic
level control) circuitry will provide the best quality recordings and uniform recorded
speech l evel. This is especially true for recording hands free conversations which can
provide the greatest range of speech level.
The External Alerter and Recording Interface provides:
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Since all three output signals operate independently, the External Alerter and
Recording Interface can b e used for more than one purpose such as for loud ringing, call in
progress indication and recording.
The External Alerter and Recording Interface does not require any software or
system configuration.
** Refer to important statement CONCERNING THE LEGALITY OF RECORDING CONVERSATIONS (ON PAGE 2)
External Alerter and Recording Interface Installation And Application Guide
Ring relay contact
Call status (off-hook) relay contact
Record audio
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