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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SCCP)
OL-3141-01
Chapter 3 Configuring the Cisco ATA for SCCP
Configuring the Cisco ATA Using a TFTP Server
Creating a Configuration File for a Specific Cisco ATA
Once you have booted up the Cisco ATA, you may decide that you want to create a configuration file
that is specific to one Cisco ATA.
The following procedure illustrates how to create a Cisco ATA-specific configuration file, convert it to
the required binary format that the Cisco ATA can read, and store it on the TFTP server so that the
Cisco ATA will download it as soon as you reset the Cisco ATA.
Procedure
Step 1 Open the atadefault.txt file that you created when you developed your own default file. Find the
parameters whose values you want to change for this specific Cisco ATA. Copy only these parameters
into a new text file. Save the new text file with the following name:
ata<macaddress>.txt
where macaddress is the non-dotted hexadecimal version of the MAC address of the Cisco ATA you are
configuring. This non-dotted hexadecimal MAC address is labeled on the bottom of most Cisco ATAs
next to the word “MAC.” The file name must be exactly 15 characters long. (However, if this filename
is supplied by the DHCP server, the name can be as long as 31 characters and can be any name with
printable ASCII characters.)
If necessary, you can obtain the non-dotted hexadecimal MAC address by using the atapname.exe
command. For information on using the atapname.exe command, see the “Using atapname.exe Tool to
Obtain MAC Address” section on page 3-13. That section includes an example of a dotted decimal MAC
address and its corresponding non-dotted hexadecimal address.
Note The ata<macaddress>.txt file should contain only those parameters whose values you are
changing from their defaults. Parameter values in the ata<macaddress> configuration file will
overwrite any manually configured values (values configured through the web or voice
configuration menu) when the Cisco ATA powers up or resets.
Example
You might want to change the values of the following parameters, whose default values are shown first:
LBRCodec:3
AudioMode:0x00350035
You could change the values as follows:
LBRCodec:0
AudioMode:0x00350034
Step 2 Save your changes.