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
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2 x RJ-11 FXS Ports — connect two analog phones, fax machines, or paging devices independently
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1 x 10/100 Mbps RJ-45 Ethernet Port — Fast Ethernet network connectivity
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SIP Protocol Support — each FXS port configurable as an independent SIP registration
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Multiplatform Firmware — compatible with Cisco Webex Calling, BroadWorks, RingCentral, Vonage, Nextiva, Asterisk, and other third-party call control systems
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HD Voice Quality — wideband audio with echo cancellation, voice activity detection, and comfort noise generation
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Codec Support — G.711, G.729AB, G.726 for clear, bandwidth-efficient calls
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T.38 Fax Support — fax relay and pass-through for reliable fax-over-IP
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Security — TLS signaling encryption and SRTP media encryption
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Easy Deployment — web-based management, zero-touch provisioning via TR-069 and XML
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Compact Design — wall-mountable and desktop form factor (3.9 x 3.9 x 1.1 in.)
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Power Supply Included — 5V DC, 5W power consumption
Why Buy from Reef Telecom?
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10-Year Warranty — far exceeding Cisco's standard 1-year coverage
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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.
