Monitoring Center >> Telephone Network Data Card

Bad Frame Interpolation

Dynamic voice jitter buffer

VAD (Voice Activity Detection)

CNG(Comfort noise generation)

RAS and Signal port can be changed

Adjustable volume

Inband/Outband DTMF

DTMF Dialing

E.164 dial plan and customized dial rules

Tone generation and Local DTMF re-generation according with ITU-T

Support G.711 A-law/U-law, G.729/A/B/AB, GSM610, G.723.1 5.3/6.3

Support H.323 V4,Automatic Gatekeeper Discovery

G.165/G.168 compliant 64ms echo cancellation

Support different protocol dynamically, for example G.723.1 ect.

Features as VoIP Card

Industry-standard CT Bus

Four or eight fax processing ports in a single PCI slot, up to 14,400b/s(V.17) fax with ITU-T Group 3

Configure multiple boards in a single chassis, PCI bus, for easy and cost-effective system expansion of up to 128/256 analog ports

Transient protection circuitry for high reliability voice format, Provides variable voice coding at 24/32 Kb/s ADPCM (vox), 64Kb/s A-law PCM, and 64/128Kb/s A-law/linear waves

Support for caller ID calling party number retrieval

Toll quality voice encoding and decoding

Signaling functions such as loop serzure, current detection, and ring are controlled and monitored through the host-PC interface

Enable high-density applications

Features as a Voice/Fax Card

Monitoring Center >> Telephone Network Data Card