Technical data

Fax and voice features

• Fax Class 1 and 2

• Fax and voice support via CAPI

• Fax sub-addressing (SUB), polled document selection (SEL), password (PWD), non-standard facility frames

(NSF)

• Fax compression (MH, MR 2D coding, MMR T.6 coding) and error-correction mode (ECM)

• SFF and plain text (ASCII) support

• Fax connections up to 33.6 kbps (V.34)

• Fax polling

• Extended fax operation

• Fax tone detection

• Reversal of fax direction

• Dynamic switching of B-channel protocols

• DTMF/MF transmission and detection

• DTMF/MF clamping

• Extended tone processing (human talker detection, generation and detection of country-specific tones)

• Cross-board switching via interline connect (DSP-based monitor, bridge, and mixer for voice connections:

supports multiline conference calls)

• Page formats: ISO A4, ISO B4, ISO A3, special page formats

• Standard, fine, super-fine, and ultra-fine resolution

• Echo cancellation (G.168, up to 128 ms tail length)

• Real time protocol (RTP)

• Dynamic anti-jitter buffering

• Comfort noise generation (CNG)

• Voice activity detection (VAD)

• Support for color fax (JPEG format) via CAPI

VoIP features

• Echo cancellation (G.168, up to 128 ms tail length)

• G.711 (A-Law and u-Law), G.723 (low and high rate), G.726, G.GSM voice compression on the digital signal

processor (DSP)

• Transcoding

• MCU functionality (conference, mixer, interconnection)

• Real time protocol (RTP) processing on the Dialogic

Diva

Media Board's RISC CPU

• Dynamic anti-jitter buffer processing on the Diva Media Board's RISC CPU

• Comfort noise generation (CNG)

• Voice activity detection (VAD)

• DTMF/MF tone processing (in band, out of band)

• Enhanced tone processing (e.g., 390 Hz for VoIP answering machine, country-specific tones)