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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
Step 2 Use the default value of 1 for the Cisco ATA parameter DHCP.
Step 3 Use the default value of 1 for the Cisco ATA parameter UseTftp.
Step 4 Use the default value of 0 for the Cisco ATA parameter CA0orCM0.
This completes the parameter settings you need to configure for this procedure. The Cisco ATA will
contact the manually configured TFTP server that contains the Cisco ATA configuration file.
Other DHCP Options You Can Set
The following parameters can also be configured with DHCP:
• Boot file name of DHCP header—The ata<macaddress> binary Cisco ATA configuration file,
which can have a maximum of 31 characters and can be any name with printable ASCII characters
• Client PC address
• DHCP option 1—Client Subnet Mask
• DHCP option 3—Routers on the client’s subnet
• DHCP option 6—One or two Domain Name servers
• DHCP option 43—Set this option to identify the protocol (for example, SCCP)
• DHCP Option 60 (DHCP_VENDOR_CLASS_ID)—Use this parameter to identify the type of
Cisco ATA box (ATA186 or ATA188).
Without Using a DHCP Server
Use the following procedure if you are not using a DHCP server in your environment but are still using
a TFTP server to obtain the Cisco ATA configuration file:
Procedure
Step 1 Set the DHCP parameter to 0.
Step 2 Set the UseTFTP parameter to 1.
Step 3 Set the Cisco ATA parameter TftpURL to the IP address or URL of the TFTP server. For more
information on setting the TftpURL parameter, see the “TftpURL” section on page 5-4.
Note If you are not using a DHCP server to provide the TFTP server location, you must manually enter
the TftpURL using either the voice configuration menu or the web configuration page.
Step 4 If you have done already done so, statically configure the following parameters using the voice
configuration menu (see the “Voice Configuration Menu” section on page 3-18). These are the
parameters you need to configure for the Cisco ATA to obtain network connectivity:
• StaticIP
• StaticRoute
• StaticNetMask
Other parameters that are normally supplied by DHCP may be provided statically by configuring their
values. These parameters are: