The Cisco Analogue Telephone Adaptor (ATA) 191 Multi-platform Analogue Telephone Adapter turns traditional telephone, fax machine and overhead paging communications devices into IP phones and devices. Ideal for customers with enterprise networks, small offices and Unified Communications as a Service (UCaaS) from the cloud, this IP phone adapter is a great fit for daily use while protecting your analogue investments with transition to IP networks. More information: Network | DHCP client | Yes |  | Web-based management | Yes | | Quality of Service (QoS) support | Yes | Ports & interfaces | Ethernet LAN (RJ-45) ports | 1 | | Modem (RJ-11) ports | 2 | Protocols | VoIP protocols | SIP | | Supported network protocols | TCP, UDP, RTP, HTTP, ARP, RTCP, ICMP, LLDP | | Management protocols | SNMPv3 | Logistics data | Country of origin | China | | Harmonized System (HS) code | 85177900 | Operational conditions | Operating temperature (T-T) | 0 - 40 °C | | Storage temperature (T-T) | -10 - 60 °C | | Operating relative humidity (H-H) | 10 - 90 % | | Storage relative humidity (H-H) | 10 - 95 % | Security | Security algorithms | AES, HTTPS, SSH | | DMZ support | Yes | Weight & dimensions | Dimensions (WxDxH) | 100 x 100 x 28 mm | | Weight | 132.1 g | | Package weight | 498.87 g | | Package depth | 245.11 mm | | Package width | 153.924 mm | | Package height | 64.008 mm | Features | Voice codecs | G.711Mu, G.711a, G.726, G.729A, G.729ab | | Fax compatibility | T.38 | | Noise reduction | Yes | | Reset button | Yes | | LED indicators | Yes | | Power LED | Yes | | Safety | UL 60950 Second Edition, CAN/CSA-C22.2 No. 60950 Second Edition, IEC 60950-1:2005 (Second Edition) + A1:2009 + A2:2013 and/or AS/NZS 60950.1:2015 | | Certification | CE Markings per directives 2014/30/EU and 2014/35/EU | Call management | Caller ID | Yes | | Conference call | Yes | | Call waiting | Yes |
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