ATA186-I1-A Cisco ATA 186 Telephone Adapter for 2 Phone/Fax

Cisco ATA186-I1-A - Analog Telephone Adapter

The Cisco ATA186-I1-A is a compact analog telephone adapter that bridges traditional analog devices with modern IP telephony systems. Supporting two independent voice ports, it enables businesses to preserve existing analog phones and fax machines while transitioning to VoIP infrastructure.

🔧 Key Specifications

• Voice Ports: 2x RJ11 FXS ports (each supports an independent telephone number)
• Network Interface: 1x 10Base-T Ethernet RJ45 port
• Protocols Supported: SIP, SCCP, MGCP, H.323 (depending on firmware image)
• Audio Codecs: G.711 (A-law, µ-law), G.729a, G.723.1
• Fax Support: T.38 fax relay and pass-through
• Power: External universal AC/DC adapter (5V DC, ~1.5A)
• Power Consumption: 3.5W (idle) to 7.5W (peak)
• Dimensions: 1.5 x 6.5 x 5.75 in. (3.8 x 16.5 x 14.6 cm)
• Weight: ~425 g (15 oz)
• Operating Temperature: 0° to 40°C (32° to 104°F)
• Compliance: UL, CE, FCC, and other regional certifications

🧩 Ideal Use Cases

• Small businesses migrating from analog to VoIP telephony
• Enterprises needing to integrate fax machines into IP networks
• Service providers offering analog line support in VoIP deployments
• Cost-sensitive environments requiring reuse of legacy analog handsets

⚙️ Licensing & Expansion

• No additional licensing required; functionality depends on firmware image (SIP, SCCP, MGCP, or H.323).
• Supports remote provisioning and configuration for large-scale deployments.