Features of Dialogic® Diva® Analog Media Boards

Dialogic® Diva® Analog Media Boards offer the following feature set:

• Call control features

• Voice and speech features

• Voice over IP support

• Switching and conferencing

• Fax

• Data modem features

Call control features

• Pulse dialing

• Tone (DTMF/MF) dialing

• Busy tone detection

• Ring back tone detection

• Special Information Tone (SIT) detection

• Fax/modem detection

• Dial tone detection

• Configurable Hold/Swap/Retrieve

• Analog caller identification (via FSK and DTMF signaling)

• Collection of DTMF post-dial digits

• Configurable DTMF parsing

Voice and speech features

• G.711 coding (a-law, µ-law selectable)

• DTMF detection and generation

• DTMF clamping and filtering

• Generic tone detection and generation

• Pulse tone detection

• Full-duplex voice, "barge-in"

• Voice activity detection

• Silence detection

• Human talker detection

• Fax signal detection

• G.168 echo cancellation, up to 128 ms tail length

• Recording Automatic Gain Control (ACG)

• Pitch control

• Audio tap

Voice over IP support

• G.711 voice codec (64 kbps, µ-law, A-law)

• G.726 voice codec (16, 24, 32, and 40 kbps)

• GSM voice codec (13 kbps)

• G.168 echo cancellation, up to 256 ms tail length (default 128 ms)

• Adaptive jitter buffer

• Voice activity detection (VAD)

• Comfort noise generation (CNG)

• Real Time Protocol (RTP framing)

• secure Real Time Protocol (sRTP)

Switching and conferencing

• On-board switching and conferencing

• Automatic Gain control (ACG)

Fax

• Support for Fax class 1 and 2

• Support for Fax Group 3, T.30

• V.17, V.29, V.27ter, V.21, V.34 Modulation

• Up to 33.600 bps with each channel (send and receive)

• Fax compression MH, MR, MMR

• Error Correction Mode (ECM)

• Reversal of fax direction

• Fax password

• Fax sub addressing

• New fax header line

• Page formats: ISO A4, B4, A3

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

• Color fax (JPEG-Format)

Data modem features

• V.21, V.22, V.22bis, Bell 103, Bell 212A, V.32, V.32bis, V.34, V.42, V.42bis, V.90, MNP4, MNP5

• Modem with extension: V.18, V.21, Bell 103, V.23, EDT, Baudot 45, Baudot 47, Baudot 50 incl. DTMF, V.42, V.42bis