Setting up Berbee Free XML services for Cisco Unified CallManager Express

CLI and add DNS to the phone dhcp pool:

UC520#conf t
Enter configuration commands, one per line. End with CNTL/Z.
UC520(config)#ip dhcp pool phone
UC520(dhcp-config)#dns-server 63.203.35.55
UC520(dhcp-config)#exit
UC520(config)#exit
UC520#wr mem
Building configuration...
Compressed configuration from 26981 bytes to 11829 bytes[OK]
UC520#

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create an xml file and host it on a web server that is accessible from data and voice clients on the uc520 without any kind of ssl or authentication.
verify this by using internet explorer from the data vlan of the uc520. you should see the xml file in its entirety.

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use cli to change the url services under telephony services to point to your web server and the xml file on it:

UC520#conf t
Enter configuration commands, one per line. End with CNTL/Z.
UC520(config)#telephony-service
UC520(config-telephony)#url services http://192.168.12.3/mymenu.xml
Updating CNF files
CNF files updating complete

UC520(config-telephony)#end
UC520#

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Reset the phones.