CCTV Camera Pros Geovision 8.4 Multicam Digital Surveillance System - Manual (Page 97)

Configuring Main System
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d. Select PCM 8,000 Hz, 8-bit Mono, the only format supported for this feature, and then click
OK.
5. To find a sound file, click the Browse button to locate the file. Add the path of the file to the field,
and the file will be sent with the telephone calls.
[Hotline Option] Specify the interval between hotline alerts. The option is useful for the frequent event
occurrence by which any event triggers during the interval period will be ignored.
[Hotline Attach Audio Message] Specify how many times to repeat the audio message when a
telephone call is made to you.