Function Specification
Dynamic range 0 to -25 dBm, compliant with TIA 464B and Bellcore TR-
NWT-000506
DTMF Detection and
Generation
32 tones: single tone, dual tones or AM tones; configurable frequency &
amplitude; 64 frequencies in the range 300 to 1980 Hz; 1 to 4 cadences
per tone; up to 4 sets of ON/OFF periods
Call Progress Tone
Detection and
Generation
Speech detection
Answer Detector
-32 dB to +31 dB in steps of 1 dB
Output Gain Control
-32 dB to +31 dB in steps of 1 dB
Input Gain Control
Fax/Modem Relay
Group 3 fax relay up to 14.4 kbps with automatic fallback
Fax Relay
T.38 compliant, real time fax relay
Tolerant network delay (up to 9 seconds round trip)
Auto switch to PCM or ADPCM on V.34 or V.90 modem detection
Modem Transparency
Protocols
SIP RFC 3261
VoIP Signaling
Protocol
RTP/RTCP packetization
Communication
Protocols
IP stack (UDP, TCP, RTP)
Remote software upload (TFTP, HTTP and HTTPS)
Loop-start signaling
Line Signaling
Protocols
Processor
Motorola PowerQUICC 860
Control Processor
SDRAM – 64 MB
Control Processor
Memory
AudioCodes AC482 VoIP DSP
Signal Processors
Interfaces
24 Analog FXS phone or fax ports, loop start (RJ-11)
FXS Telephony
Interface
10/100Base-TX
Network Interface
RS-232 Terminal Interface (DB-9)
RS-232 Interface
Channel status and activity LEDs
Indicators
Connectors & Switches
Rear Panel:
50-pin Telco shielded connector
24 Analog Lines
10/100Base-TX, RJ-45 shielded connector
Ethernet
DB-9 console port
RS-232
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