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Description
Documentation
TAU-72.IP
TAU-72.IP is an IP access gateway designed for voice and fax transmission over IP networks. Gateway provides high-quality telephony with supplementary services supporting: call forwarding, call waiting, 3-way conference, call pick-up, group call, caller ID etc. Device supports Н.323, SIP/SIP-T, MGCP, H.248/MEGACO protocols, all main IP voice codecs, echo cancellation, voice activity detector, comfort noise generation(CNG), DTMF-signals receipt functions.
High port density and low cost enable to realize economical network modernization keeping existing telephone sets and cable infrastructure.
Standards and protocols
VoIP-protocols:
- SIP/SIP-T
- H.323
- H.248/MEGACO
- MGCP
Voice codecs:
- G.729 (A, B)
- G.711 (a-law, μ-law)
- G.723.1 (6,3 kbps, 5,3 kbps)
- G.726
Fax:
- T.38 UDP Real-Time Fax
- G.711 (a-law, μ-law) pass-through
Voice standards:
- VAD
- AEC (G.168)
- CNG
Features:
- Internal calls routing under SIP-server disconnection
- Operation with/without H.323 internal gatekeeper
- Direct routing for SIP-server unregistered devices
- Support differents VLAN for signalling, RTP and managerment
- Distributed mini-PBX mode
Supplementary services
- Caller ID
- phone number, name and date/time in FSK MDMF format
- CLIR
- Call Transfer
- Call Pick-Up
- 3-way conference
- Hotline/Warmline
- Call Waiting
- CFU, CFB, CFNR
- Call group
- Hold/Retrieve
- MOH
- CLIP
Interfaces
- 1 x 1000Base-X (SFP)
- 3 x 10/100/1000Base-T (RJ-45)
- 72 x FXS
Network and configuration
Network function
- Static routing
- 802.1q
- SNTP
- Local and internal DNS
Connection
- Static IP-address
- DHCP-client
Configuration
- HTTP/HTTPS
- FTP/FTPS
- TFTP
- Telnet, SSH, Консольный порт RS-232
Remote monitoring
- HTTP/HTTPS
- SNMP
Dyagnostic
- Syslog
Security
- User name and password control
- Admin/User access modes
Physical specification
Power: -48..-60V DC
Power consumption: up to 85Вт (under 36-complete activity)
Humidity: up to 80%
Dimensions: 420x48x240 mm, 19", 1U
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