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Cisco ATA 191 – 2 Port Analog Telephone Adapter

Cisco ATA 191 – 2 Port Analog Telephone Adapter

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Rated 5 out of 5

The Cisco ATA 191 Multiplatform Analog Telephone Adapter (ATA) provides a cost-effective way to migrate traditional analog devices—such as telephones, fax machines, and overhead paging systems—into modern IP networks. With high-quality voice processing, strong security features, and dual FXS ports, it ensures smooth integration into VoIP environments while delivering crystal-clear audio and reliable performance.

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Key Features

Dual FXS Ports: Two standard RJ-11 ports that can be configured independently as SIP registrations.

Analog to IP Conversion: Converts traditional telephony, fax, and paging systems into IP devices for increased cost efficiency.

High-Quality Voice: Features advanced preprocessing, echo cancellation, voice activity detection (VAD), and comfort noise generation.

Easy Deployment: Supports zero-touch provisioning via TR-069 and XML configuration files.

Secure Communication: Comprehensive security for both signaling and media with AES, HTTPS, and SSH encryption.

IPv6 Ready: Dual-stack IPv4/IPv6 support for future-proof network compatibility.

Enhanced Serviceability: Dedicated PRT button for problem reporting and log collection.

Specifications

Protocols

VoIP Protocols: SIP

Supported Network Protocols: TCP, UDP, RTP, HTTP, ARP, RTCP, ICMP, LLDP

Management Protocols: SNMPv3

Networking

DHCP Client: Yes

Web-Based Management: Yes

QoS (Quality of Service): Supported

Ports & Interfaces

2 x RJ-11 FXS Ports (Phone/Fax)

1 x RJ-45 Ethernet Port

Audio & Call Features

Supported Codecs: G.711Mu, G.711a, G.726, G.729A, G.729ab

Fax Compatibility: T.38

Noise Reduction: Yes

Call Management: Caller ID, Call Waiting, Conference Calls

Security

Encryption: AES, HTTPS, SSH

DMZ Support: Yes

Physical & Environmental

Dimensions: 100 x 100 x 28 mm

Weight: 132.1 g

Operating Temperature: 0 – 40 °C

Operating Humidity: 10 – 90% (non-condensing)

Storage: -10 – 60 °C / 10 – 95% humidity

Compliance & Certification

Safety Standards: UL 60950, CAN/CSA-C22.2 No. 60950, IEC 60950-1

CE Markings: Directives 2014/30/EU & 2014/35/EU

Indicators

Power LED: Yes

Status LED Indicators: Yes

Ideal for businesses transitioning from analog to IP-based communication systems.
Compatible with third-party SIP platforms (not designed for Cisco call control systems).

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