Voiceboard Voice over IP (VoIP) Software Library

Voiceboard Voice over IP (VoIP) software library is a set of downloadable modules for MediaPro embedded DSP resource board products. The VoIP library APIs support host application software access to a broad range of voice coding, VoIP and VoATM functionality.

The VoIP software library includes G.726 ADPCM, G.729A/B CS-ACELP, G.723.1 and G.711 µ/a-law PCM vocoders, conversion of DTMF and Call Progress signals into IP data packets, G.168 Echo Cancellation, AGC, Comfort Noise Generation and Jitter buffering.

The VoIP software library is a member of the MediaPro product line, a modular series of cPCI and VMEbus telecommunications boards and embedded software.

The VoIP DSP library contains the following modules:

• G.711 µ/a-law PCM
• G.726 40/32/24/16 Kbps ADPCM
• G.729 A/B 8 Khz toll quality CS-ACELP
• G.723.1 IMTC Compliant - 5.3/6.3 Kbps
• DTMF, MFR1, MFR2 Detecton and Generation
• Caller ID, V.25 Answer Tone, V.21 CNG, SS7 COT, SF Signaling and V.18 Text Telephone Detection
• Call Progress Detection and Generation, AGC
• G.168-2000 Echo Cancellation, 128 ms tail
• Voice activity detection and comfort noise generation
• Jitter Buffering
• µ-Law/a-Law to Linear Conversion and Gain Control
• Play/Record of Audio Files.
• RTP Packetization.
• 3 Party Conferencing for both IP and TDM network side parties.

Click here to download of Product Spec Sheet

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