SmartLink 4020 Getting Started Guide

B • Specifications

 

 

Voice Connectivity

2-wire Loopstart, RJ-11/12 Short haul loop 1.1 km @3REN

Caller-ID Type-1/2 FSK and ITU V.23/Bell 202 generation

Connectivity

2 10/100 Full Duplex/Autosensing Ethernet RJ-45

Voice Processing (signalling dependent)

SIP

MGCP

Packet Cable NCS 1.0

IETF MGCP 1.0 Voice codes

G.711 A-Law/µ-Law (64 kbps)

G.726 (ADPCM 40, 32, 24, 16 kbps)

G.723.1 (5.3 or 6.3 kbps)

G.729ab (8 kbps)

G.168 echo cancellation

4 parallel voice connections DTMF detection and generation Carrier tone detection and generation Silence suppression and comfort noise Configurable dejitter buffer DTFM in-band & out-of-band Configurable transmit packet length RTP/RTCP (RFC 1889)

Fax and Modem Support

G.711 transparent FAX

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

Voice Connectivity

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Patton electronic SL4020 manual Voice Connectivity, Voice Processing signalling dependent, Fax and Modem Support