Suitable for customers looking to bring traditional analogue devices into the IP world, the ATA 191 enables users to connect to enterprise networks, small offices or cloud-based services though two integrated standard FXS ports which can be configured as two SIP (Session Initiation Protocol) registrations.

Designed to work with third-party call control systems, this analogue adapter enables users to protect and extend their existing systems without the need for major investment.

Features

• Enables high-quality VoIP service with a comprehensive feature set through a broadband internet connection
• Provides high-quality, clear-sounding voice, using advanced voice quality-of-service (QoS) capabilities and the industry-leading voice Session Initiation * Protocol (SIP) stack
• Includes two standard telephone ports, each with an independent phone number, for use with analogue phone devices
• Is compatible with all industry voice and data standards and common telephone features such as caller ID, call waiting, and voicemail
• Includes a simple-to-use web-based configuration utility for easy deployment
• Compact size: Designed for small spaces.

[User Guide](https://static.ssl7.net/pdf/phone/Cisco/ATA191/User Guide.pdf)