ELTEX TAU-4.IP User Manual

14 VoIP Subscriber Gateways
Figure 3 shows TAU-8.IP functional diagram.
Figure 3 - TAU-8.IP functional diagram
1.5 Main specifications
Table 2 shows main specifications of the device:
Table 2 — Main specifications
VoIP protocols
Supported protocols
SIP
Fax support
T.38 Real-Time Fax
pass-thru (G.711A/U)
Modem support
V.152
Voice standards
VAD
AEC (echo cancellation, G.165 recommendation)
CNG (comfort noise generator)
Audio codecs
Codecs
G.729, annex A, annex B
G.726
G.711а, G.711u
G.723
Fax transmission: G.711а, G.711u, Т.38
Modem transmission: G.711а, G.711u
Ethernet WAN interface specifications:
Number of ports
1
Electric port
RJ-45;
Data rate, Mbps
autodetection, 10/100 Mbps, duplex/half-duplex
Supported standards
10Base-T/100Base-TX
Analogue user port specifications
Number of ports
TAU-4.IP
4
TAU-8.IP/TAU-8.IP-W
8
Loop resistance
up to 1.5 kΩ
Dialling
pulse/frequency (DTMF)
Caller ID display
FSK V23,FSK Bell202, DTMF

ELTEX TAU-4.IP Specifications

General

Brand	ELTEX
Model	TAU-4.IP
Category	Gateway
Language	English