Cisco ATA 187 Analog Telephone Adapter (Discontinued)
(Model # ATA187-I1-A)
Product Brochure (pdf)
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The Cisco ATA 187 Analog Telephone Adaptor is a handset-to-Ethernet adaptor that turns traditional telephone devices into IP devices.
Features:
- Supports two voice ports, each with its own independent telephone number, and a single RJ-45 10/100 BASE-T Ethernet port
- This adaptor can make use of existing Ethernet LANs in addition to broadband pipes such as DSL, fixed wireless, and cable modem deployments
- helps customers turn their analog phone devices into IP devices cost effectively and is the preferred solution to address the needs of customers who connect to enterprise networks, small-office environments, or the emerging VoIP managed voice services and local services market
- Configuration as per Cisco endpoints devices
- Autoprovisioning with Trivial File Transfer Protocol (TFTP) for servers
- Automatic assignment of IP address, network routing IP, and subnet mask using Dynamic Host Configuration Protocol (DHCP)
- Touch-tone telephone keypad configuration with voice prompt
- Administration password to protect configuration and access
- Advanced preprocessing to optimize full-duplex voice compression
- High-performance line-echo cancellation to eliminate noise and echo
- Voice activity detection (VAD) and comfort noise generation (CNG) to save bandwidth by delivering voice, not silence
- Dynamic network monitoring to reduce jitter artifacts such a packet loss
- Session Initiation Protocol (SIP) on the Cisco line side
- Secure Real-Time Transfer Protocol and Transport Layer Security (SRTP/TLS) over SIP
- T38 fax support
- Power supply: Universal AC power supply 100 and 240V Power adaptor output voltage: +12.0 VDC at 1A maximum
- Less than 34 dBA at 3 feet
- Connectors: 2 RJ 11
- Dimensions: 1.5" x 5.4" x 6.7"
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