Overview
Overview of Cisco ATA 191 2-Port Multiplatform Analog Telephone Adapter (ATA191-3PW-K9) | New
The Cisco ATA 191 2-Port Multiplatform Analog Telephone Adapter (ATA191-3PW-K9) is a compact analog-to-IP adapter that enables companies to transition to contemporary VoIP networks while keeping their current phones, fax machines and paging devices. It is a great option for organizations looking to prolong the life of analog equipment without compromising call quality or deployment flexibility because it is made for dependable SIP-based voice connectivity.
Key Features of Cisco ATA 191 2-Port Multiplatform Analog Telephone Adapter
• 2-port analog-to-IP conversion with two RJ-11 FXS ports for connecting legacy devices.
• One 10/100 Mbps RJ-45 Ethernet port for network connectivity.
• Multiplatform support for SIP-based deployments and flexible interoperability.
• Clear voice processing with echo cancellation, voice activity detection, and comfort noise generation.
• Zero-touch provisioning support through TR-069 and XML configuration files.
• Secure signaling and media protection for safer voice communications.
• Dedicated PRT button for problem reporting and log collection.
• IPv6 dual-stack support for network migration readiness.
• Compact, wall-mountable design for easy installation in offices and branch locations.
Benefits of Cisco ATA 191 2-Port Multiplatform Analog Telephone Adapter
🗹 Keeps analog phones, fax machines, and paging equipment in service while reducing replacement costs.
🗹 Simplifies migration to IP telephony with straightforward setup and provisioning.
🗹 Improves call clarity so users get natural-sounding voice communication on VoIP networks.
🗹 Strengthens security with encrypted signaling and media protection.
🗹 Supports IT efficiency with troubleshooting tools and remote provisioning options.
🗹 Fits easily into small offices, branch sites and other space-conscious deployments.
Specifications
Specifications for Cisco ATA 191 2-Port Multiplatform Analog Telephone Adapter (ATA191-3PW-K9) | New
| Manufacturer | Cisco |
| Manufacturer Part Number | ATA191-3PW-K9 |
| Product Name | Cisco ATA 191 2-Port Multiplatform Analog Telephone Adapter |
| Product Type | Analog Adapter |
Width | 3.9 in |
Depth | 1.1 in |
Height | 3.9 in |
Weight | 4.66 oz |
Form Factor | Wall mountable |
Connectivity Technology | Wired |
Data Link Protocol | Ethernet, Fast Ethernet |
Network / Transport Protocol | TCP/IP, UDP/IP, PPPoE, ARP, DHCP, RTP, HTTP, HTTPs |
Remote Management Protocol | SNMP 3, TFTP, SSH, TR-069, ICMP, IPv4, IPv6 |
Status Indicators | Power, phone |
Features | NAT support, Syslog support, DiffServ support, SNTP support, Quality of Service (QoS), reset button, LLDP support, Type of Service (ToS), dual image support, AES encryption, Cisco Discovery Protocol, Zero-touch provisioning (ZTP), secure boot, VLAN Tagging, Caller ID generation, abbreviated dialing (speed dial), fax over VoIP |
Encryption Algorithm | TLS 1.1, TLS 1.2 |
Compliant Standards | IEEE 802.1Q, IEEE 802.1p, G.729a, G.729ab, G.726, G.711 (μ-law), G.711 (A-law) |
VoIP Protocols | SIP, RTCP, RTP, SRTP |
Voice Codecs | G.711, T.38 |
Telephony Interfaces | 2 phone (FXS) |
IP Telephony Features | Echo cancellation, comfort noise generation (CNG), voice activity detection (VAD), caller ID, call waiting, automatic fax/modem detection and pass-through, distinctive ringing, call transfer, silence suppression, dynamic jitter buffer, Do-not-disturb (DND) support, call pickup, redial |
Interfaces | 2 x FXS - RJ-11 ¦ 2 x 100Base-TX - RJ-45 |
MTBF | 300,000 hours |
Compliant Standards | ETSI, FCC Part 15 B, EN 61000-4-2:2009, EN 61000-4-11:2004, EN 61000-3-3:2013, EN 61000-4-3:2006+A1:2008+A2:2010, EN 61000-4-8:2010, EN 61000-4-5:2014, EN 55024:2010+A1:2015, EN 61000-4.4:2012, UL 60950 Second Edition, CAN/CSA C22.2 No. 60950 Second Edition, ICES-003 issue 6, ANSI C63.4-2014, EN 61000-3-2:2014 Class A, AN/NZS 60950.1:2015, EN 55032:2015 Class B, AS/NZS CISPR32:2015 Class B, IEC 60950-1:2005 (ed.2)+A1:2009+A2:2013, VCCI-CISPR 32:2016, CISPR 32:2015 Class B |
Power Device | External power adapter |
Voltage Required | AC 120/230 V / DC 5 V |
Power Consumption Operational | 5 Watt |
Service & Support | Limited warranty - 1 year |
Min Operating Temperature | 32 °F |
Max Operating Temperature | 104 °F |
Humidity Range Operating | 10 - 90% (non-condensing) |
Designed For | Cisco ATA 191 |
User Guides
Frequently Asked Questions
Cisco ATA 191 2-Port Multiplatform Analog Telephone Adapter
Frequently Asked Questions (FAQ's)
What is the Cisco ATA 191 used for?
The Cisco ATA 191 is designed to connect traditional analog devices—such as telephones, fax machines, and paging systems—to a VoIP network, enabling seamless migration to IP-based communications.
How many devices can it support?
It supports up to two analog devices simultaneously through its dual FXS ports, making it ideal for small office or home office setups.
Is it compatible with SIP platforms?
Yes, the ATA 191 features multiplatform SIP support, ensuring compatibility with a wide range of hosted VoIP providers and IP PBX systems.
Can it be used for fax machines?
Absolutely. It supports T.38 fax relay, ensuring reliable and accurate fax transmission over IP networks.
Does it require special software?
No, it offers simple web-based configuration and provisioning, eliminating the need for complex software installations.
Is it secure?
Yes, it includes enterprise-grade security protocols such as TLS, SRTP and HTTPS to protect voice communications and data.
What codecs are supported?
It supports industry-standard codecs including G.711 and G.729, delivering high-quality voice performance with efficient bandwidth usage.
Can it be wall-mounted?
Yes, its compact and lightweight design allows for flexible installation, including wall mounting.
Does it support multiple VoIP providers?
Yes, it is compatible with numerous SIP-based VoIP service providers, offering flexibility in deployment.
Is it suitable for small businesses?
Definitely. It’s an excellent choice for SMBs, remote offices, and distributed teams looking to modernize communications.
Does it have Ethernet pass-through?
Yes, dual Ethernet ports provide pass-through capability, simplifying network connectivity.
Can it be remotely managed?
Yes, it supports remote provisioning and centralized management for streamlined administration.
Is it good for legacy system integration?
Yes, it’s specifically designed to extend the life of analog devices while integrating them into modern VoIP systems.
Does it support call features like voicemail?
Yes, advanced call features such as voicemail, call forwarding, and conferencing are supported depending on your VoIP provider.
What power options are available?
It includes an external power adapter for reliable operation.
Is setup complicated?
No, it is engineered for quick, plug-and-play deployment with intuitive configuration options.
Can it handle high call volumes?
Within its two-port capacity, it delivers consistent and reliable performance for simultaneous calls.
Does it support IPv6?
Yes, it supports both IPv4 and IPv6 networking environments.
Is firmware upgradable?
Yes, Cisco regularly provides firmware updates to enhance performance, security and compatibility.
Is it worth buying for VoIP migration?
Yes, it’s a cost-effective, scalable and reliable solution for businesses transitioning from analog to IP-based telephony.
Ratings & Reviews
1 review
No issues
by Bruce H.
No issues, worked as it should. Install was easy.