Productbeschrijving
The Cisco ATA 187 Analogue PSTN to VoIP Telephone Adaptor is a handset-to-Ethernet adaptor that turns traditional telephone devices into IP devices. Customers can take advantage of the many new and exciting IP telephony applications by connecting their analogue devices to Cisco ATAs. The Cisco ATA 187 is a standards-based communication device that deliver true, next-generation voice-over-IP (VoIP) terminations to businesses and residences worldwide.
Key Features
- Configuration and Provisioning
- 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
- Remote upgrades through network
- Voice Quality
- Advanced pre-processing to optimise 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
- Signaling Protocol
- Session Initiation Protocol (SIP) on the Cisco line side
- Security
Secure Real-Time Transfer Protocol and Transport Layer Security (SRTP/TLS) over SIP - Fax Support
- T38 fax support
