User guide

!! Preliminary version of user guide v1.8 !!

101

15.2.4. VoIP interface

Interface 4x 100BaseT

Signaling SIP

Voice compression G.723.1 MP-MLQ at 6.3, ACELP at 5.3 kbps

G.729 Annex A CS-ACELP at 8kbps

G.727 E-ADPCM at 16 to 40 kbps

G.726 ADPCM at 16 to 40 kbps

G.711 PCM at 64kbps (u-Law/A-Law)

NetCoder Proprietary at 6,4 to 9,6 kbps, 800 bps

steps

Silence suppression G.723.1 Annex A ; G.729 Annex B

PCM and ADPCM – per RFC 3389 or proprietary

NetCoded – Proprietary

Echo Cancellation G.165 & G.168 compilant, 32,64 or 128 msec echo

tail, (64 ms or 128 ms may reduce channel capacities)

Number of channels 16

Connector type 4x RJ45 (Ethernet switch)

15.2.5. Temperature

Working temperature range 0°C to + 50°C

Relative humidity max. 95% at 40°C

Air – condition optional

15.2.6. Remote Control Line types

Type of line Serial line (COM1,2), Analogue modem

(COM2), ISDN modem (COM2), Ethernet

10baseT, in band DATA in PRI ISDN