8
VoIP Functions
• H.323 / SIP dual mode communication
• SIP 2.0 (RFC3261), H.323v4 compliant
• Peer-to-Peer / H.323 GK / SIP proxy calls
• Voice codec support: G.711(A-law / -law), G.729 AB, G.723 (6.3 Kbps / 5.3Kbps)
• Voice processing: Voice Active Detection, DTMF detection, G.165/G.168 compliant echo canceller,
silence detection, FAX (T.38 / T.30) Mode Option.
• Built in adaptive buffer that helps to smooth out the variations in delay (jitter) for voice traffic.
• Voice channels status display: This function display each port status likes as on-hook, off-hook,
calling number called number, talk duration, codec.
• Life line support for co-existing FXO-FXS port of VIP-480, VIP-880 and VIP-882 while power down.
Package Content
The contents of your product should contain the following items:
VoIP Gateway
Power adapter
Quick Installation Guide
User’s Manual CD
RJ-45 cable x 1
Physical Details
The following figure illustrates the front/rear panel of VIP-480/VIP-880 series.
Front Panel of VIP-480
Front Panel of VIP-480FS