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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for H.323 (version 3.0)
OL-4804-01
Chapter 1 Cisco Analog Telephone Adaptor Overview
Software Features
Software Features
The Cisco ATA supports the following protocols, services and methods:
•
Voice Codecs Supported, page 1-7
•
Additional Supported Signaling Protocols, page 1-7
•
Other Supported Protocols, page 1-7
•
Cisco ATA H.323 Services, page 1-8
•
Fax Services, page 1-9
•
Supplementary Services, page 1-9
Voice Codecs Supported
The Cisco ATA supports the following voice codecs (check your other network devices for the codecs
they support):
•
G.711µ-law
•
G.711A-law
•
G.723.1
•
G.729
•
G.729A
•
G.729B
•
G.729AB
Additional Supported Signaling Protocols
In addition to H.323, the Cisco ATA supports the following signaling protocols:
•
Session Initiation Protocol (SIP)
•
Skinny Client Control Protocol (SCCP)
•
Media Gateway Control Protocol (MGCP)
If you wish to perform a cross-protocol upgrade from H.323 to another signaling image, see the
“Upgrading the Signaling Image from a TFTP Server” section on page 8-1
.
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)