VoiceCollect IR44CF-II, Technical Manual

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Voice Collect
®
Technical Manual
Recording capacity Specifications
16 GB CF card (max.)

Maximum 6000 channel hours at highest compression

Max. 80,000 calls totally or per channel
Internal volatile buffer

4 minutes at 64 Kbps

Max. 10 calls
Memory management

Overwrite (First In/First Out)

Delete at time

Delete manually

Stop recording when full

Manual overwrite protection

Internal buffer for bridging a media change
Tab. 12, IR44CF II
– Recording capacity
Recording interfaces Specifications
Interface provision 2 or 4 analog channels
Analog specification
 Impedance > 10 kΩ, 5 … 500 mV, potential-free

RJ11 input hardware interface

Input gain: fixed (-
48 … +28 dB) or adaptive (AGC, -31 ... 0
dBm output target level)
Analog recording start

VOX mode (voice controlled)

Hook mode (phone call controlled)

COR mode (contact controlled)

Manual mode.
Phone line signalling de-
tection

On / Off hook

Ring

On hook caller ID

DTMF
External contacts | inputs
(COR)
4, active (CMOS logical levels) or passive (short to GND)
Codec types 4kHz A-law (G.711), 32kHz (G.726), 6.4kHz and 5.3kHz (G723.1)
Frequency range 300 up to 3400 Hz, + 3 dB max (software)