Cisco ATA 191 Manuale di avvio rapido - Pagina 8

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Supported Voice Codecs

established to switch from voice mode to T.38 mode. Cisco Unified Communications Administration allows

you to configure a SIP profile that supports T.38 fax communication.

The ATA 191 only supports T38 Fax Relay Version 0 (G3).

Supported Voice Codecs

The ATA 191 supports these voice codecs:

• G.711 mu-law

• G.711 A-law

• G.729a

• G.729ab

Check your other network devices for the codecs they support.

The ATA supports these additional protocols:

• 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) v4 and IPv6

• Link Layer Discovery Protocol (LLDP)

• Secure Real-Time Transport Protocol (SRTP)

• Transmission Control Protocol (TCP)

• Trivial File Transfer Protocol (TFTP)

• User Datagram Protocol (UDP)

• Transport Layer Security (TLS)

• Secure Socket Shell (SSH)

• Network Time Protocol (NTP)

• HyperText Transfer Protocol (HTTP)

The following SIP services are supported on the ATA:

• IP address assignment—DHCP-provided or statically configured

• ATA 191 configuration by Cisco Unified Communications Manager configuration interface

Cisco ATA 191 Analog Telephone Adapter Overview