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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for MGCP (version 3.0)
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Chapter 1 Cisco Analog Telephone Adaptor Overview
Software Features
• G.729A
• G.729B
• G.729.AB
Additional Supported Signaling Protocols
In addition to MGCP, the Cisco ATA supports the following signaling protocols:
• Skinny Client Control Protocol (SCCP)
• H.323
• Session Initiation Protocol (SIP)
If you wish to perform a cross-protocol upgrade from MGCP to another signaling image, see the
“Upgrading the Signaling Image from a TFTP Server” section on page 7-1.
Other Supported Protocols
Other protocols that the Cisco ATA supports include the following:
• 802.1Q VLAN tagging
• Cisco Discovery Protocol (CDP)
• Domain Name System (DNS)
• Dynamic Host Configuration Protocol (DHCP)
• Internet Control Message Protocol (ICMP)
• Internet Protocol (IP)
• Real-Time Transport Protocol (RTP)
• Transmission Control Protocol (TCP)
• Trivial File Transfer Protocol (TFTP)
• User Datagram Protocol (UDP)
Cisco ATA MGCP Services
For a list of required MGCP parameters as well as descriptions of all supported Cisco ATA MGCP
services and cross references to the parameters for configuring these services, see Chapter 4,
“Cisco ATA-Supported MGCP Services.”
These services include the following features:
• Two MGCP endpoints per Cisco ATA
• Two connections per MGCP endpoint
• Multiple audio codecs
• Events and signals available in MGCP software packages
• Automatic MGCP version detection
• Caller ID generation
