Cisco ATA 186 Administrator's Guide

5-16
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (H.323)
OL-4008-01
Chapter 5 Parameters and Defaults
Gatekeeper Parameters
AltGk
Description
You have the option of using this parameter to statically specify the IP address of an alternate H.323
gatekeeper.
Value Type
Alphanumeric string
Range
Maximum number of characters: 31
Default
0
Voice Configuration Menu Access Code
6
Related Parameter
AltGkTimeOut, page 5-16
AltGkTimeOut
Description
You can use this parameter to specify the timeout in seconds before the Cisco ATA fails back to the
primary gatekeeper from the backup gatekeeper. When the Cisco ATA switches to a different H.323
gatekeeper, the setting of Bit 3 of the ConnectMode parameter (see the “ConnectMode” section on
page 5-28) determines whether the Cisco ATA re-registers with the H.323 gatekeeper.
Value Type
Integer
Default
0—The Cisco ATA continues to use the backup gatekeeper until it fails before attempting to fail back to
the primary gatekeeper.
Range
30 to 4294967295 seconds
Voice Configuration Menu Access Code
251
Related Parameters
• AltGk, page 5-16
• ConnectMode, page 5-28—Bit 3

Cisco ATA 186 Specifications

General

Operating Temperature	32°F to 104°F (0°C to 40°C)
Protocol	SIP, H.323
Network Interface	10/100BASE-T Ethernet
Audio Codec Support	G.729a, G.723.1
Power Supply	5V DC
Weight	0.23 kg (0.5 lb)
Relative Humidity	10 to 90% noncondensing
Ports	2 RJ-11 FXS ports