SmartNode 4400 Getting Started Guide

B • Specifications

 

 

G.729ab (8 kbps)

Transparent pass through

G.168 echo cancellation

8 parallel voice connections

DTMF detection and generation

Carrier tone detection and generation

Silence suppression and comfort noise

Configurable dejitter buffer

Configurable tones (dial, ringing, busy)

Configurable transmit packet length

RTP/RTCP (RFC 1889)

Fax and modem support

G.711 transparent FAX

Fax over IP (FoIP)

T.38 Fax relay (9.6 k, 14.4 k)

Voice signaling

H.323v4:

RAS, H.225, H.245

Fast-connect, early H.245

Gatekeeper autodiscovery

Alias registration

Overlap sending

Empty capability set (call transfer, hold)

H.323v1 call transfer, hold

H.323 GW and GK compatible

H.323 Annex M3

SIP:

SIPv2 (RFC3261, RFC3263)

SIP call transfer, redirect, DTMF relay

Fax and modem support

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Patton electronic 4400 manual Fax and modem support, Voice signaling