Software Specifications
| Voice Capabilities |
| Wireline & Wireless Speech Codecs |
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| Audio Codecs |
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Conferencing
(for fully-populated 8xDSP board) |
- N-way: 1360
- 3-way: 720 bridges
For more information, see "Typical Channel Densities" table on specific product pages: SurfRider/AMC; SurfRider-812/PTMC; SurfExpress/PCIe; SurfAce-112/PCI |
| Echo Cancellation |
G.168 2002 echo tail up to 128ms |
| Quality |
- Voice Activity Detection (VAD)
- Comfort Noise Generation (CNG)
- Packet Loss Concealment (PLC)
- Fixed/Adaptive Jitter Buffer up to 1000 ms
- Auto Gain / Level Control (AGC / ALC)
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| Transport |
- RTP/RTCP: RFC 3550, 3551, 3389
- Configurable packet size: 5-60ms (5ms resolution)
- Single or multiple frames per packet
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| Tone and Events |
- Monitoring
- Relay (RFC 2833)
- Caller ID detection and generation
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- Detection/Generation
- User-defined tones
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| Conferencing & Streaming |
| Conferencing |
- Up to 256 TDM or IP audio conferencing participants on a single DSP
- Dominant speakers detection
- Up to 96 active video participants
- Up to 16 displayed participants
- Configurable video conference layouts
- Text and image overlay on conference output
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| Streaming |
- Play/Record of any channel from/to file
- Supported file formats
- 3GP
- MP4
- ASF (WMV9)
- AVI*
- Supports more than 1000 concurrent G.711 streams
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| Video Capabilities |
Video Codecs
(encode & decode) |
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- WMV9 (decoder only)
- MPEG2*
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| Resolution |
- Any up to CIF
- VGA/D1/4CIF*
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| Frame Rate |
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| Bit Rate |
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| Transport |
- RTP Encapsulation
- MPEG-TS*
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| Quality |
- Configurable deblocking levels
- Multiple destination support
- Packet Loss Concealment (PLC)
- Fixed/Adaptive Jitter Buffer up to 1000 ms
|
| Advanced Video Toolbox |
- Dynamic text overlay (Unicode)
- Configurable frame rate
- Bit rate change
- Any resolution resize
- Logo insertion
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| Mobile Video Capabilities |
| 3G-324M Support |
- H.324 Annex C
- H.223 Annex A & B
- High-level 3G-324M APIs
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| Protocols |
- H.223 running on the DSP for enhanced performance
- H.245 running on the host
- MONA* (H.324 Annex K - fast connect)
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| Fax Capabilities |
| Data Pumps |
- V.17, V.29, V.27ter, V.21
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| Fax over IP: T.38 |
- FEC/Redundancy
- Max Jitter 1 sec
- Supported roundtrip delay up to 6 sec
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| T.32 |
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| IP-Aware Fax |
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| Modem over IP Capabilities |
| Data Pumps |
- Up to V.92 (including V.42/V.42bis)
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| Modem over IP (MoIP) |
- V.8 modem relay as per ITU V.150.1
(contributed by Surf)
- Universal modem relay (U-MR)
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| Connection Scenarios |
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* Roadmap feature
|
10 reasons to try our DSP solutions
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