Config Cisco SIP 7970 for Asterisk / FreePBX

I have my Cisco SIP phone talking to a TFTP server and it will pull down configuration files. That part works fine. I Need all that actual configuration files written for Cisco 7970 SIP Phone to work with my AsteriskNow PBX and need configuration details settings on FreePBX end. The system needs to then be tested. I only have config files obtained by a cut-n-paste from various forums. I need someone truly experienced with this specific dynamic of a SIP Cisco and Asterisk/FreePBX. I would like clean files with as little extraneous lines as possible. The phone needs to have all the standard features working. The “messages” button should dial the phone in to the Asterisk default *97 voicemail. The “directories” and “services” buttons do not need any function as of now. We may approach this as a separate task later. I am only connecting one of these phones now, but may add more later if this works well. I need to know which configuration files , and which lines in those files, to copy and modify to add more phones later. I will provide login access to my FreePBX system for extension config and testing. I will also make my self available for downloading the configuration files in to the phone and testing it. My PBX: Digium AsteriskNow w/ FreePBX 2.8.0.4 My Phone: Cisco CP-7970G, SIP Firmware: SIP70.8-5-4S