1. Can anyone help with finding a list of IP Phones which is supported by Call Manager 4.3
Check page number 77 -table 40 , the phones which are marked as NA is not supported.
https://www.cisco.com/en/US/docs/voice_ip_comm/cucm/compat/ccmcompmatr1.pdf
2. Cisco unified wireless phones 7921 & 7925, will these work with Aironet 1130AG Series Access point
I think you need to put this question on wireless forum on this CSC they can answer better.
Rate all the helpful post.
Thanks
Manish