Vdex is an IP telephone system for the small business market that supports up to 50 SIP / IAX phones. For higher reliability, Vdex works without hard disks or noisy fans which are prone to mechanical failure. Equipped with a large amount of flash memory, Vdex is able to store client voicemail messages and customized soundfiles. For more detailed information about Vdex, please visit the product Web site www.vdex.eu.
SPECIFICATION
| Voice codecs |
hardware based, G.711, G.723.1, G.726, G.729A, GSM-FR, iLBC, |
| Echo Cancellation |
hardware based, G.168 (up to 128ms tailsize) |
| Processors |
dual ARM core processor, 2x 375MHz |
| Memory |
1 GB NAND flash, 8 MB NOR flash, 128 MB RAM |
| LAN Port |
1 Ethernet 10/100BaseT; RJ45 |
| Voice channels: |
Call legs with same codec: unlimited number of calls
Codec conversion from G.711 to complex codes (e.g. G.729): max. 10 simultaneous calls |
| DTMF modes |
RFC2833, SIP-INFO, |
| Signalling |
SIP, IAX |
| Integrated services |
WEB server, Mail client, NTP client, DNS client, SSH server |
| Management |
configuration via browser interface AstA*UI |
| Backup/restore |
via Browser |
| Firmware upgrade |
via Browser, using iPKG |
| Power supply |
external AC/DC adapter, 100 – 240VAC / 50-60Hz |
| Dimensions |
200 x 145 x 45mm |
| Compliances |
CE, FCC(Part 15 Class B), A-Tick |
| Multiple prompt languages |
Audio prompts are available in English and German. |
| FXO port specifications |
| Caller-ID detection: |
FSK, DTMF |
| Ring voltage: |
25 - 150 Vrms |
| Ring frequency: |
16 - 60 Hz |
| Line isolation: |
3kVrms |
| Line impedance: |
600 Ohm resistive termination or according the European telecom standard TBR21 |
| CPC detection: |
80 - 1000ms |
| Tone detection: |
for line disconnect and dial start |
| Silence detection: |
for line disconnect |
| Polarity reversal detection: |
for line disconnect |
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