Cisco
Cisco ATA 191 VoIP Phone Adapter
The Cisco ATA 191 is an analog telephone adapter engineered to seamlessly convert traditional analog devices, such as phones and fax machines, into modern IP devices. This solution allows businesses to leverage IP telephony applications while protecting existing analog investments, ensuring a smooth migration to unified communications. It supports two independent SIP registrations, offering flexibility for enterprise networks or cloud services. Key capabilities include excellent voice quality via advanced preprocessing and echo cancellation, centralized management through Cisco Unified Communications Manager, robust security features, and IPv6 support for future readiness. The device is designed for versatile deployment, supporting both wall-mountable and desktop use.
$192.38
Owner Satisfaction
4.1
/ 5
Category Rank
63
/ 93
#63 in VoIP Gateways & Routers
Price vs Category Average
-88%
Below average
Number of FXS (RJ-11) Ports
2
Who it's for
- Simple Provisioning and Management
- Legacy Equipment Integration
- Enterprise-Grade Reliability
Who should skip it
- Higher Initial Cost
- Limited Analog Port Capacity
- Configuration Complexity
Key Specs
Number of FXS (RJ-11) Ports
2
Number of Network (RJ-45) Ports
1
Network Interface Speed
10/100 Mbps (Fast Ethernet)
Form Factor
Wall Mountable, Desktop
Warranty
1 Year
Supported Protocol
SIP
Ethernet Technology
10/100Base-T
Condition
New
Features
- Converts analog devices to IP endpoints
- Supports two independent SIP registrations
- Central provisioning via Cisco Unified Communications Manager
- Advanced voice quality enhancements
- Includes a dedicated Problem Reporting Tool button
- Wall Mountable/Desktop form factor
- Offers complete security for media and signaling
- Supports IPv4/IPv6 dual stack
What customers say
This adapter earns high praise for its enterprise grade reliability and robust build quality, delivering consistent, clear voice performance, especially for critical fax transmissions. Users integrating it into established Cisco environments find it a dependable workhorse. The primary drawback centers on complexity; initial setup proves dense and frustrating for nontechnical users attempting do it yourself configurations. While performance is respected, some find the price steep compared to simpler alternatives, affecting perceived value outside of large corporate uses. Ultimately, this device excels in professional settings where stability outweighs ease of initial use.
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$192