Technical data

Dialogic® Diva® Media Board Features

Dialogic

Diva

System Release 8.5.6WIN Reference Guide page 67

Voice over IP support

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

• G.726 voice codec (32 kbps)

• GSM voice codec (13 kbps)

• G.168 echo cancellation, up to 128 ms tail length, up to 256ms tail lenght configurable by application

• Adaptive jitter buffer

• Voice activity detection (VAD)

• Comfort noise generation (CNG)

• Real time protocol (RTP framing)

• Impedance calibration

Switching and Conferencing features

• On-board switching and conferencing

• Automatic gain control (AGC)

Fax features

• 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)

• Fax polling/ Fax on demand

• 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)

• T.38 FoIP (PSTN - IP Gateway Mode)

Note:

Dialogic

Diva

UM-Analog Media Boards support fax up to V.34 on 50% of the available lines.

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. 4 2 b i s