Yeastar 4 BRI Port VoIP Gateway (TB400)

The Yeastar TB400 is a compact and reliable standalone VoIP BRI gateway (BRI-VoIP/VoIP-BRI) offering 4 BRI ports for companies using ISDN BRI lines an easy, cost-effective and flexible integration into any VoIP system or enabling any IP PBX to be connected to the public ISDN network.TB BRI VoIP Gateways provides an easy and trustworthy conjunction of IP-based system and BRI line. Yeastar TB400 is suitable when the local IP telephony network is constructed gradually in an institution that already has a legacy BRI network.

Yeastar TB400 Key Features

• Software configurable TE/NT modes for easy integration
• ISDN PBX has access to VoIP network
• Preserve investment on PBX infrastructure
• Additional ISDN BRI trunking for IP-PBX
• Cost savings on phone calls via VoIP
• ISDN compliant and proven interoperability
• Compatible with various ISDN PBX, IP-PBX, and softswitch
• Low power consumption for your green office

Yeastar TB400 Technical Specifications

Physical Interfaces

• BRI Ports: 4
• 1 LAN Ethernet 10/100 BASE-T
• Console Port

Voice Processing

• Protocol: SIP(RFC3261)
• DTMF: RFC2833, SIP Info, In-band
• Codec: G711a, G711u, G.722, G.723, G.726, G.729a, GSM, ADPCM, iLBC
• Transport: UDP, TCP, TLS, SRTP
• Echo Cancellation: ITU-T G.168 LEC

Telephony

• Blacklist
• Call detail records
• Call duration limitation
• Caller ID
• Caller ID prefix
• Call routing rules
• Hotline
• SIP trunk support
• SIP peer mode
• SIP Registrar for IP phones
• T.30 Fax
• T.38 fax
• Trunk group
• Two-stage Dialing

ISDN Specification

• Each interface can be configured NT or TE
• Type of Connection: Point to Point Or Point to Multipoint
• BRI Switch Types: National ISDN Type 1 and Type 2, Nortel DMS100, AT&T 4ESS, Lucent 5ESS, EuroISDN, Q.SIG

Internet

• DDNS
• IP Blacklist
• NAT Traversal
• QoS/ToS
• Static Route

System

• Max 8 Concurrent Calls
• Backup and restore
• Custom prompts
• Firmware upgrade by HTTP/TFTP
• LED Indicators
• Packet Capture Tool
• System logs
• Security: Firewall, TLS, SRTP, HTTPS
• Web based configuration

Applications

• Connect legacy PBX to VoIP services
• Connect IP-PBX to ISDN trunkings
• ISDN connectivity for Contact Center
• Connect legacy PBX to IP-PBX at the branch office
• Interconnect multiple PABX to realize free inter-office calls

Physical

• Dimensions: 213x160x44 mm
• Power Supply: AC 100-240V (12V 2A)
• Operation Range: 0°C to 40°C, 32°F to 104°F
• Storage Range: -20°C to 65°C, -4°F to 149°F
• Humidity: 10-90% non-condensing