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Cisco ATA 191 Administration Guide

Cisco ATA 191
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DescriptionField
To use the ATAs default Network Time Protocol
(NTP) server, select Auto from the drop-down list. If
you want to specify the NTP server, select Manual,
and then enter the NTP server address.
Default setting: Auto
Time Server Address.
Enter the Resync timer interval value (in seconds).
This timer controls how often the ATA resynchronizes
with the NTP server.
Default setting: 3600 seconds
Resync Timer
Choose this option to allow the ATA to automatically
reconnect to the time server after a system reboot.
Default setting: Disabled
Auto Recovery After Reboot
Advanced Settings
Use the Network Setup > Advanced Settings pages to configure features including port flow control, MAC
address cloning, VPN passthrough, and VLAN.
Port Setting (ATA 192 Only)
Use the Network Setup > Advanced Settings > Port Setting page to set the ETHERNET (LAN) port
attributes.
After making changes, click Submit to save your settings, or click Cancel to redisplay the page with the
saved settings.
Table 12: Port Settings
DescriptionField
Flow control is a mechanism that temporarily stops
the transmission of data on a port. For example, a
device is transmitting data faster than some other part
of the network can accept it. The overwhelmed
network element halts the transmission of the sender
for a specified time.
Choose Enabled to enable this feature, or choose
Disabled to disable this feature.
Default setting: Enabled
Flow Control
Cisco ATA 191 and ATA 192 Analog Telephone Adapter Administration Guide for Multiplatform Firmware
25
Network Configuration
Advanced Settings

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Cisco ATA 191 Specifications

General IconGeneral
Fax SupportT.38 Fax Relay
Relative Humidity10% to 90% (non-condensing)
Ports2 FXS ports
Voice ProtocolSIP
ProtocolsSIP, RTP, RTCP
Power5V DC
Network Interfaces10/100BASE-T Ethernet port
Operating Temperature32°F to 104°F (0°C to 40°C)
Audio CodecsG.711 (a-law and μ-law), G.729a, G.722, G.726
Voice CodecsG.711 (a-law and μ-law), G.729a, G.722, G.726
Storage Temperature14 to 140°F (-10 to 60°C)

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