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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SCCP (version 3.0)
OL-4652-01
Chapter 1 Cisco Analog Telephone Adaptor Overview
Software Features
Additional Supported Signaling Protocols
In addition to SCCP, the Cisco ATA supports the following signaling protocols:
• Media Gateway Control Protocol (MGCP)
• H.323
• Session Initiation Protocol (SIP)
If you wish to perform a cross-protocol upgrade from SCCP to another signaling image, see Appendix D,
“Performing a Cross-Protocol Upgrade.”
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)
Basic Services
For an alphabetical list of Cisco ATA basic services and the parameters for configuring each service, see
Table 3-5 on page 3-8.
These services include the following features:
• Configurable tone (dial tone, busy tone, confirm tone, reorder tone, call waiting tone)
• IP address assignment—DHCP-provided or statically configured
• Cisco ATA configuration by means of the Cisco CallManager TFTP server, web browser, or voice
configuration menu.
• VLAN configuration
• Caller ID format
• Ring cadence format
• Distinctive ring (external calls have two rings with a short pause between rings)
• Silence suppression
• Low-bit-rate codec selection
• RTP media port configuration
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