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Cisco ATA 186 Administrator's Guide

Cisco ATA 186
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5-30
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (H.323)
OL-4008-01
Chapter 5 Parameters and Defaults
Operating Parameters
Related Parameters
NTPIP, page 5-30
AltNTPIP, page 5-30
NTPIP
Description
This parameter is the NTP IP address, required if DHCP server does not provide one.
The Cisco ATA requires an NTP Server from which to obtain Coordinated Universal Time (UTC) to
time-stamp incoming calls (H.323 and SIP) to drive an external Caller-ID device.
DHCP may also supply a NTP server. If NTPIP is specified, it overwrites the value supplied by DHCP.
NTPIP is ignored if its value is 0 or 0.0.0.0.
The user must not specify a port parameter. The Cisco ATA uses the default NTP port only.
Value Type
IP address
Default
0.0.0.0
Voice Configuration Menu Access Code
141
Related Parameters
AltNTPIP, page 5-30
TimeZone, page 5-29
AltNTPIP
Description
This parameter is the alternate NTP IP address, if you want redundancy. You can set this parameter to 0
or point to the same NTPIP if only one NTP server exists.
Value Type
IP address
Default
0.0.0.0
Voice Configuration Menu Access Code
142

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Cisco ATA 186 Specifications

General IconGeneral
Operating Temperature32°F to 104°F (0°C to 40°C)
ProtocolSIP, H.323
Network Interface10/100BASE-T Ethernet
Audio Codec SupportG.729a, G.723.1
Power Supply5V DC
Weight0.23 kg (0.5 lb)
Relative Humidity10 to 90% noncondensing
Ports2 RJ-11 FXS ports

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