Cisco ATA 191 Administration Guide

Table 6: Optional Settings
DescriptionField
Choose the preferred method for choosing a DNS
server.
•
DHCP-Manual—The DNS server settings from
the network server takes precedence, and your
entries in the DNS fields are used only as a
backup.
•
Manual-DHCP—Your entries in the DNS
fields take precedence, and the DNS server
settings from the network server are used as a
backup.
•
Manual—Your entries in the DNS fields are
used to choose a DNS server.
DNS Server Order
Set the Primary DNS for IPv4.Primary DNS
Set the Secondary DNS for IPv4.Secondary DNS
IPv6 Settings
Use the Network Setup > Basic Setup > IPv6 Settings page to set up your IPv6 connection.
Enter the settings as described in the table. After making changes, click Submit to save your settings, or click
Cancel to redisplay the page with the saved settings.
Cisco ATA 191 and ATA 192 Analog Telephone Adapter Administration Guide for Multiplatform Firmware
18
Network Configuration
IPv6 Settings

Cisco ATA 191 Specifications

General

Fax Support	T.38 Fax Relay
Relative Humidity	10% to 90% (non-condensing)
Ports	2 FXS ports
Voice Protocol	SIP
Protocols	SIP, RTP, RTCP
Power	5V DC
Network Interfaces	10/100BASE-T Ethernet port
Operating Temperature	32°F to 104°F (0°C to 40°C)
Audio Codecs	G.711 (a-law and μ-law), G.729a, G.722, G.726
Voice Codecs	G.711 (a-law and μ-law), G.729a, G.722, G.726
Storage Temperature	14 to 140°F (-10 to 60°C)