Datasheet

Dialogic
®
Diva
®
Analog Media Boards
Datasheet
Diva Media Boards
5
Features – Media Processing
• Voice and speech:
— G.711 coding (A-law, µ-law selectable)
— DTMF detection, generation, clamping and ltering
— Generic tone detection and generation
— Pulse tone detection
— Full-duplex voice, barge-in
— Voice Activity Detection (VAD)
— Silence detection
— Human talker detection
— Recording Automatic Gain Control (AGC)
— Pitch control
— Audio tap
— G.168 echo cancellation, up to 128 ms tail length
• Voice over IP (VoIP):
— G.711 voice coder (64 kbps, µ-law, A-law)
— G.726 voice coder (32 kbps)
— G.729 voice coder (VoIP licenses required)
— GSM voice coder (13 kbps)
— Adaptive jitter buffer
— Voice Activity Detection (VAD)
— Comfort Noise Generation (CNG)
— Real-time Transport Protocol (RTP) framing
— G.168 echo cancellation, up to 128 ms tail length
• Switching and conferencing:
— Onboard and cross-board switching and (large) conferencing via line interconnect (call tromboning)
— Automatic Gain Control (AGC)
• 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
— Fax polling/ fax on demand
— Up to 33.6 kbps with each channel (send and receive)
— Page formats: ISO A4, B4, A3
— Fax compression MH, MR, MMR
— Error Correction Mode (ECM)
— Standard, fine, super-fine and ultra-fine resolution
— Color fax (JPEG-format)
• Support for FoIP, T.38 (when using Diva SIPcontrol Software):
— Up to 33.6 kbps with each channel (send and receive)
• Data modem (Remote Access, POS and other Low Bit Rate (LBR) applications):
— 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, Baudot45/47/50 incl. DTMF, V.42, V.42bis
Technical Specifications (continued)