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Chapter 3
Configuring the Cisco ATA for H.323
3.
4.
Note
5.
6.
When the Cisco ATA is downloading its DHCP configuration, the function button on the top panel
Note
blinks.
Specifying a Preconfigured VLAN ID or Disabling VLAN IP
Encapsulation
If you want the Cisco ATA to use a preconfigured VLAN ID instead of using the Cisco Discovery
Protocol to locate a VLAN, or if you want to disable VLAN IP encapsulation, refer to
reference to the parameters and bits you may need to configure. Use the voice configuration menu to
configure these parameters. (See the
on using this menu.) Also, refer to
and bits to configure depending on your network environment.
Note
Bits are numbered from right to left, starting with bit 0.
OL-4804-01
Also from the DHCP server, the Cisco ATA requests the IP address of the TFTP server.
The Cisco ATA contacts the TFTP server and downloads the Cisco ATA release software that
contains the correct signaling image for the Cisco ATA to function properly.
If you are not using a TFTP server, you need to manually upgrade the Cisco ATA to the correct
signaling image. For information on this procedure, see the
Manually" section on page
The Cisco ATA looks for a Cisco ATA-specific configuration file (designated by the MAC address
of the Cisco ATA and named ata<macaddress> with a possible file extension) on the TFTP server
and downloads this file if it exists. For information about configuration file names, see the
"Configuration Files that the cfgfmt Tool Creates" section on page
If the Cisco ATA does not find an ata<macaddress> configuration file, it looks for an atadefault.cfg
configuration file and downloads this file if it exists. This file can contain default values for the
Cisco ATA to use.
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide for H.323 (version 3.0)
Specifying a Preconfigured VLAN ID or Disabling VLAN IP Encapsulation
8-2.
"Voice Configuration Menu" section on page 3-20
Table 3-2
for a matrix that indicates which VLAN-related parameters
"Upgrading the Signaling Image
3-13.
Table 3-1
for instructions
for a
3-3
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