How to convent Cisco 7940 to SIP phone

[Alliedbs]

Can anyone tell me how to convent the Cisco 7940 to SIP phone step by step?

Thanks......

 

[discovery1]

http://www.cisco.com/en/US/products/hw/phones/ps379/products_tech_note09186a0080094584.shtml

http://www.cisco.com/en/US/docs/voice_ip_comm/bts/5.0/protocol/guide/92apxphn.html#wp1008016

 

[Alliedbs]

Thanks.....