Cisco ATA 191 Multiplatform Analog Telephone Adapter (ATA191-3PW-K9)

Convert your analog phones, fax machines, and paging systems to VoIP with the Cisco ATA 191 Multiplatform Analog Telephone Adapter. This reliable 2-port handset-to-Ethernet adapter brings your traditional analog devices into the IP world — protecting your existing investment while enabling modern SIP-based communications. Backed by Reef Telecom's industry-leading 10-year warranty.

Key Specifications

• 2 x RJ-11 FXS Ports — connect two analog phones, fax machines, or paging devices independently
• 1 x 10/100 Mbps RJ-45 Ethernet Port — Fast Ethernet network connectivity
• SIP Protocol Support — each FXS port configurable as an independent SIP registration
• Multiplatform Firmware — compatible with Cisco Webex Calling, BroadWorks, RingCentral, Vonage, Nextiva, Asterisk, and other third-party call control systems
• HD Voice Quality — wideband audio with echo cancellation, voice activity detection, and comfort noise generation
• Codec Support — G.711, G.729AB, G.726 for clear, bandwidth-efficient calls
• T.38 Fax Support — fax relay and pass-through for reliable fax-over-IP
• Security — TLS signaling encryption and SRTP media encryption
• Easy Deployment — web-based management, zero-touch provisioning via TR-069 and XML
• Compact Design — wall-mountable and desktop form factor (3.9 x 3.9 x 1.1 in.)
• Power Supply Included — 5V DC, 5W power consumption

Why Buy from Reef Telecom?

• 10-Year Warranty — far exceeding Cisco's standard 1-year coverage
• Free Shipping on orders over $300
• Trusted enterprise telecom equipment supplier

The Cisco ATA191-3PW-K9 is ideal for enterprise offices, small businesses, branch offices, and hospitality environments migrating to VoIP without replacing existing analog equipment. Part number: ATA191-3PW-K9.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.