The Cisco ATA 191 Multiplatform Analogue Telephone Adapter provides a dependable and economical solution for integrating conventional telephony hardware into modern Voice over IP networks. Available in new or refurbished versions, it is built specifically for third-party call control environments without licensing complications, this two-port adapter preserves established communication investments while enabling smooth enterprise cloud integration.
Transitioning to Modern IP Voice Networks
Designed to bridge legacy devices with contemporary cloud infrastructures, the unit features two distinct FXS ports equipped with independent Session Initiation Protocol registrations. This architecture permits businesses to retain traditional analogue desk sets and fax machines while migrating steadily to robust digital communications.
Enhanced Audio Fidelity and Protection
The internal hardware integrates advanced signal reprocessing, adaptive jitter buffering, and high-performance echo cancellation to maintain clear, natural speech performance. Robust security protocols safeguard both media streams and control signaling, employing secure boot procedures, encrypted configuration profiles, advanced encryption standard algorithms, and secure transport methods.
Streamlined Administration and Deployment
Optimised for fast implementation, the device supports zero-touch cloud configuration via TR-069 and XML formats, built-in web browser administration, and interactive voice response menus. A dedicated physical button simplifies troubleshooting by enabling rapid problem reporting and log collection.
Features
- Independent SIP Registrations - Drives flexible call routing by supporting multiplatform SIP accounts across two dedicated telephone ports
- Reliable Facsimile Transmission - Manages document delivery effectively using T.38 real-time relay and G.711 pass-through protocols
- Integrated Diagnostics Tool - Incorporates a designated physical button for instant problem logging and simplified administrative support
- Dual-Stack Network Ready - Adapts to evolving infrastructure demands with complete support for IPv4 and IPv6 network environments
- Comprehensive Calling Suite - Delivers advanced functions including caller ID presentation, call waiting, group pickup, and three-way local conferencing
- Compact Hardware Profile - Features a lightweight, space-saving design that sits easily on a desk or mounts onto a wall
Technical Specifications
Hardware and Interfaces
- Telephone Ports - 2 x RJ-11 FXS ports
- Network Interface - 1 x 10/100 Mbps RJ-45 Ethernet port
- Controls and Indicators - Power button, reset/problem reporting (PRT) button, and LED indicators for power, network, phone 1, phone 2 & PRT (problem reporting tool)
- Dimensiions - 100mm x 100mm x 28mm (3.9 Inches x 3.9 Inches x 1.1 Inches) - H x W x D
- Weight - 132g (4.7oz)
Telephony and Audio
- Audio Codecs G.711 a-law, G.711 µ-law, G.729a, G.729ab, and G.726
- Acoustic Performance - Full-duplex audio with adaptive jitter buffer, silence suppression, and adjustable audio frames per packet
- Fax Capabilities - T.38 real-time fax relay and G.711 pass-through with automatic transmission rate negotiation
- Signalling and Control - In-band/out-of-band DTMF, flash hook timer, call transfer, call waiting, and distinctive ringing
Network and Quality of Service
- Protocols - IPv4/IPv6 dual-stack, SIP, TCP, UDP, RTP, RTCP, HTTP, HTTPS, TFTP, DHCP, and DNS
- QoS Standards - IEEE 802.1p/Q VLAN tagging and Differentiated Services (DiffServ)/ToS prioritisation
Security and Management
- Encryption - Advanced Encryption Standard (AES) encryption, HTTPS with factory-installed client certificates, and SIP over TLS (1.1/1.2)
- Administration - Web-based administration, interactive voice response (IVR), SNMPv3, SSH access, and TR-069 cloud provisioning
Standard Package Contents
- Cisco ATA191 2 Port Analogue Telephone Adapter
- Power Supply
- Cat5e Network Cable
- User Documentation
*Please note - refurbished products package contents may vary from the above