What are the mandatory fields needed to setup/register the SIP phone manually in CUCM

[nawaz.pasha]

What are the mandatory fields needed to setup/register the SIP phone manually.Also, if someone can let me know the mandatory fields for Cisco based SIP phone and also the third party SIP hard phones like Avaya or any other Third party SIP phones both Soft phone and physical phone requirements...in CUCM

Please suggest...I need to know if MAC address is mandatory for all Cisco SIP phone to setup 

[Venkatesh Perumal]

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/7_1_2/ccmcfg/bccm-712-cm/b09sip3p.html

http://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-communications-manager-version-70/112110-phone-add-00.html

[Andrew West]

To register 3 party SIP phones you need the MAC address and to create a digest end user . 

To register a Cisco SIP phone you just need the MAC address.