| System size | | | Form factor | | | Resource bus | | | Ports | | | Operating system support | | Windows* 2003 | | Windows XP* | | Windows* 2000 | | Redhat Linux |
| | Network interface | | 2,8,16 analog network interfaces | | 16 digital telephone interfaces (TVB16D RECORD only) |
| | Signaling | | Analog loop start | | Digital loop start (TVB16D RECORD only) |
| | Key features | | International approvals | | Simultaneous voice with CSP and fax capability | | H.100 media-sharing support | | AGC | | Voice compression: low-bit-rate coders | | Four ports of onboard fax | | Four ports of onboard voip | | DTMF/FSK callerid | | Universal 32-bit PCI edge connector |
| | Software | | Free SDK (VC++, Delphi, VB) |
| | Applications | | Voice mail/voice messaging | | Interactive voice response (IVR) | | Contact center | | Unified messaging | | Dictation |
| | Order by Item Market Name | | TVB2 TRUNK | 2 voice, trunk line | | TVB2 RECORD | 2 voice, record | | TVB8 TRUNK | 8 voice, trunk line | | TVB8 USER | 8 voice, user line, build-in ring-loop power | | TVB8 RECORD | 8 voice, record | | TVB8 FAX | 8 voice, trunk line, 4 fax | | TVB8 VOIP | 8 voice, trunk line, 4 voip | | TVB16 TRUNK | 16 voice, trunk line | | TVB16 USER | 16 voice, user line, build-in ring-loop power | | TVB16 RECORD | 16 voice, record | | TVB16 FAX | 16 voice, trunk line, 4 fax | | TVB16 VOIP | 16 voice, trunk line, 4 voip | | TVB16D RECORD | 16 voice, Digital 2B+D ISDN user line record |
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