No, you would need CUCM 7.1 and one of the following phones for IPv6 - 7906G, 7911G, 7931G, 7941G, 7942G, 7945G, 7961G, 7961GE, 7962G, 7962GE, 7965G, 7970G, 7971G-GE, and the 7975G. See the following link.
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/7_1_2/ccmfeat/fsipv6.html#wp1071355
Hope this helps.
Brandon