AFFORDABLE CONVERGENCE
BB-4208 is a family of versatile VoIP gateways that enable existing telephone systems to work with IP-based networks. BB-4208 is a high performance VoIP gateway for providing cost-effective voice and fax communications over IP and PSTN networks.
With BB-4208, voice and fax calls can be routed either to the PSTN or IP network, whichever has the least toll cost. BB-4208 offers the ability to make voice or fax calls at local rates to any phone number in any Intranet location where a BB-4208 and a PBX are found. Callers simply call the number of BB-4208 in the desired area, and then dial a local phone number to any destination of their choice. Existing PBXs in their offices can save significant communication costs by utilizing an IP network for their voice and fax communications in addition to the traditional telephone networks--whether their offices are in one country, in several countries, or across the world.

INTEROPERATES IN EXISTING ENVIRONMENTS
BB-4208 interoperates with any standards-based PBXs. In fact, all existing equipment such as PBXs, key systems, routers, and other communications devices can continued to be used with the BB-4208 solution. BB- 4208 connects to either PBX CO line or extension ports. BB-4208’s LAN port interfaces with a 10/100 base-T local area networks.

FLEXIBLE ARCHITECTURE
BB-4208 can be configured with combinations of FXO, FXS, FXS+PSTN back up option modules. Each
option card consists of four channels. Designed for maximum flexibility, BB-4208 model has universal slots that can accept two option cards per slot. BB-4208’s modular design allows users to design network configurations without wasted ports and incurring costs for unused hardware.

• Up to 8 analog ports
• Connects to PSTN, PBX CO port, and PBX extension lines
• Connects analog telephones, key systems, fax machines, E&M to the IP network
• Support direct connection to the PSTN
• Standard10/100 base-T Ethernet LAN port to connect to the IP network
• Works with any existing Ethernet LAN environment, routers, hubs and switches
• Choice of codecs, including G.723.1, and G.711 voice encoding
• Optimized voice quality using advanced DSP technology
• T.38 Fax support
• Inband/Outband DTMF support
• Call Progress Tone support
• VAD (Voice Activity Detection)
• Telnet management support
• TFTP support.
• Management port for command line interface
• User adjustable voice/DTMF/mic volume tone
• Integrated echo cancellation(G.168)
• Silence suppression
• Comfort noise generation(CNG)
• Comfort noise level control
• Caller ID (VoIP)
• Easy set-up and configuration
• Flexible numbering, adaptable to existing numbering plan
• ITU-T H.323 Version 3 compliant
• Telnet password authentication
• Modular, space efficient design
• Interoperates with other standards-based VoIP equipment
• Interoperates with Teliphone IP Phone
• OEM customization available
• Free software/firmware upgrades
• One-year warranty

• STANDARDS
  • RTP/RTCP, Q.931, RAS
  • ITU H.323 v3, H.225, H.245
  • ITU G.168(25ms) Echo cancellation
  • PPPoE, DHCP
  • ITU FXO/FXS/E&M/FXS+PSTN
  • V.17/Group 3 fax, T.38 Fax support
  • IEEE 802.3
  • 10 /100 base-T
• MANAGEMENT
  • RS-232C, 19.2 kbps asynchronous; DB9 connector;
  • Telnet
  • TFTP
• CODEC OPTIONS
  • G.711, G.723.1
  • G.711, G.729.A

• USER PORTS
  • FXO Interface: KTS, PBX extension, PSTN; loop start, 2-wire; RJ-11 connector
  • FXS Interface: KTS, analog telephone, PBX CO line, or G3 fax; loop start; RJ-11 connector
• NETWORK PORT
  • Ethernet: 10/100 base-T; RJ-45 connector
• POWER
  • 100-250 VAC, 60 Hz, 60 VA
• DIMENSIONS
  • Chassis: 19” rack mountable
  • 17” W x 1.8” H x 6.5” D (43cm W × 4.5cm H × 16.5cm D)
• WEIGHT
  • 7.7 lbs (3.5 kg)
• OPERATING TEMPERATURE
  • 32℉ to 131℉ (0℃ to 55℃)
• OPERATING HUMIDITY
  • 10% to 85% noncondensing
• STORAGE TEMPERATURE
  • 32℉ to 149℉ (0℃ to 65℃)
• STORAGE HUMIDITY
  • 5% to 90% noncondensing