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TAU-32M.IP

TAU-32M.IP is a subscriber VoIP– gateway. There are L2 Ethernet integrated switch and up to 32 FXS/FXO ports in TAU-32M.IP. Device has modular design.

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TAU-32M.IP is an access gateway designed for voice and fax transmission over IP networks. Gateway provides high-quality telephony with supplementary services supporting: call forwarding, callwaiting, 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.

Device has modular structure. There are four slots for installing of FXO/FXS interface supporting submodules. It provides flexible capacity growth.

IP-network connection provided by copper and optical Gigabit Ethernet interfaces. Power supply provided by replaceable modules for 220V AC or 48V DC.

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

- 2 x 1000Base-X (SFP)
- 3 x 10/100/1000Base-T (RJ-45)
- 32 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 32-complete activity)
Humidity: up to 80% 
Dimensions: 420x48x240 mm, 19", 1U
Submodules

TAU32M-M8S, 8 x FXS ports.

TAU32M-M8O, 8 x FXO ports.

Power modules

Power module PM75-48/12,

for 48V, DC.

Power module PM150-220/12,

for 220V, AC.

SFP-modules
SFP-module, 1,25 GE, up to 20 km, 2 fiber, 1310 nm

SFP-module, 1,25 GE, up to 20 km, 1 fiber, TX/RX
SFP-module, 1,25 GE, up to 40 km, 1 fiber, TX/RX
SFP-module, 1,25 GE, up to 80 km, 1 fiber, TX/RX

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