Dialogic® Diva® Analog Media Boards offer the following feature set:
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
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
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)
On-board switching and conferencing
Automatic Gain control (ACG)
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)
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