Cisco Systems ATA 188 Guía de usuario Pagina 25

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1-7
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (H.323)
OL-4008-01
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)
H.323 and SIP share the same software image. SCCP and MGCP also share a software image, which is
separate from the H.323/SIP image. 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)
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