“Financial Product”WeChat
“Telecommunication Product”WeChat
8E1 High-Density Digital Trunk Board
The 8E1 high-density digital trunk voice processing board can meet the requirements of high-performance and high-density services, such as the carrier-level telephone chatting, telephone conferencing, voice magazine, CRBT, BGM, and outsourced call center, which can provide the functions such as the voice, conference, signaling, and FSK/DTMF receiving/sending in large capacity and high stability for these services. Meanwhile, this board can help telecom device manufacturers integrate new computer platform and application requirements to deploy equipment-level application markets, for example, programmable switch, IP/PBX, media gateway, and signaling gateway. The board adopts the NADK SDK, which provides the API programming interface compatible with the Dialogic SR5.1.1.
Download l Trunk interface and voice processing
? DN2401C provides 8 E1 digital trunk interfaces, which can process a maximum of 240 voice channels;
? DN2401C-CB provides 8 E1 digital trunk interfaces, which can process a maximum of 240 voice channels and 256 conferences;
? A maximum of 8 boards could be inserted in one chassis, which provides a maximum of 64 E1 digital trunk interfaces and 1920-channel voice processing capacity;
? Provide to receive/send the DTMF and FSK;
? Digital recording, compression, and voice playback;
? Identify the special signal tones such as the fax and modem;
? Support the NADK SDK, be compatible with all the Dialogic voice formats, and provide the API programming interfaces compatible with the SR5.1.1;
? Support various sampling rates and voice compression formats;
l Signaling processing
? Support the Chinese SS1;
? Support the DSS1 (ISDN PRI).
Type | Computer Bus | Capacity | Telecom Interface | SDK | Protocol | Enhanced Function | Accessories |
DN2401C | CPCI | 8E1 | BNC | NADK | SS1, DSS1 | - | RIO2400, BNC-H2×8 |
DN2401C-CB | - | - | BNC | NADK | SS1, DSS1 | 256 conferences | - |
l E1
? Frame structure: conform to the frame structure of G.704 and multiframe alignment of G.706;
? The 2048 kbps PCM confirms to the G.732 and G.796;
? The alarm conforms to the G.775;
? The jitter and wander conforms to the G.823;
l Voice encoding
? Sampling frequency: 6 k/8 k Hz;
? Data transmission rate: 64 kbps, 32 kbps, 24 kbps;
? Digital voice: A law/linear PCM, AMI ADPCM (.VOX);
l Computer bus: CPCI;
l Resource bus: Confirm to the CT-BUS H.110.
l TICQ, multi-party communication
l Voice magazine, China Unicom voice service
l Voice value-added services such as the colour ring back tone (CRBT) and background music (BGM)
l Switch call centre with IVR function