Adtran Total Access 904 2nd Gen IP Business Gateway

The Adtran Total Access 904 (2nd Gen) is an integrated IP business gateway combining voice, data, and WAN access in a single platform. Designed for small to mid-size business deployments, it delivers SIP trunking, analog FXS/FXO ports, and broadband WAN connectivity with Adtran's proven AOS software for centralized management.

Key Features

• Integrated voice and data gateway in a single compact unit
• SIP trunking support for IP-based voice services
• Analog FXS and FXO ports for legacy phone and PSTN connectivity
• Broadband WAN interface for DSL or Ethernet WAN access
• Adtran AOS software for advanced routing, QoS, and management

Product Specifications

• Part Number: 4212904L1
• Manufacturer: Adtran
• OEM Status: OEM
• Model: Total Access 904 (2nd Gen)
• Type: IP Business Gateway
• Voice Protocol: SIP
• Form Factor: Desktop / Rack-mountable

Interface Specifications

• WAN Interface: Broadband Ethernet / DSL
• Voice Ports: FXS (analog station) + FXO (PSTN line)
• LAN Ports: Ethernet (10/100)
• Protocols: SIP, RTP, BGP, OSPF, static routing
• QoS: DiffServ, traffic prioritization for voice
• Management: Adtran AOS CLI, SNMP, web UI

Use Cases

• SMB voice and data convergence replacing separate router and PBX
• SIP trunking gateway connecting analog phones to IP voice services
• Branch office WAN gateway with integrated voice survivability
• PSTN fallback for IP PBX deployments via FXO ports

Compatibility

• Compatible with major SIP trunking providers and IP PBX platforms
• Interoperable with standard analog phones and fax machines via FXS ports
• Managed via Adtran AOS and compatible with SNMP-based NMS platforms

Frequently Asked Questions

What is the difference between FXS and FXO ports?

FXS ports connect analog phones and fax machines; FXO ports connect to PSTN telephone lines for traditional PSTN access or fallback.

Does it support SIP trunking?

Yes — the TA 904 supports SIP trunking for connecting to hosted or on-premise IP voice services.

Can it function as a standalone router?

Yes — with Adtran AOS, it supports full IP routing including BGP, OSPF, and static routes independent of voice functionality.

The Adtran Total Access 904 2nd Gen simplifies SMB voice and data infrastructure in a single, manageable platform. Order today and converge your voice and data with proven Adtran reliability.