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VIP User’s Manual
Technical Specifications 69
Appendix A Technical Specifications
A.1 VIP Technical Specifications
Telephony Interface
Module support
VIP-450: 2 ports loop start FXO, 2 ports loop start FXS
VIP-050: 4 ports loop start FXO, 4 ports loop start FXS
(Up to two modules per unit)
Network Interface Ports
1 10/100Base-T, auto sensing, RJ45
Voice codec support
G.711 PCM 64kbps (A-law and
μ
-law)
G.723.1A ACELP/M-MLQ (5.3, 6.3kbps)
G.729AB CS-ACELP (8kbps)
Fax
ITU-T V.21, V.27ter, V.29, V.33 and V.17
Fax over IP protocol
T.38 Proprietary low bandwidth protocol
Echo cancellation
G.168 compliant, 16 ms tail length
Simultaneous connection
VIP-450: 4 channels voice/fax
VIP-050: 8 channels voice/fax
Voice processing
Voice activity detection
DTMF detection/generation
Echo cancellation
Comfort noise generation
Call progress detection
Gain control
Call control
SIP 2.0 (RFC3261)
Management
Built HTTP server allowing management from web browser
Command line interface allowing management from VT-100 terminal
or Telnet client
Software upgrade
Flash memory and built-in TFTP allowing software upgrade via net-
work
Power
VIP-450: AC-to-DC power supply, 90-260 VAC, 50-60 Hz
VIP-050: 90-240 VAC, 20 Watts, 50-60 Hz
Environmental
Operating temperature: 0
o
to 45
o
C (32
o
to 113
o
F)
Storage temperature: -10
o
to 65
o
C (-4
o
to 149
o
F)
Humidity: 10% to 85% (non-condensing)
Dimension (L x W x D)
VIP-450: 150 x 220 x 44 (mm)
VIP-000: 445 x 275 x 44 (mm)