Thank you for providing detail IPv6 deployment information.The following new components will also support dual stack for CUCM 8.6.x or higher:     • IP phones SCCP: 6901/6911 /6921/6941/6945/6961     • Cisco Unity Connection using SCCP or SIP trunk I...

1) Cisco IP Phones with dual stack  support:• Third generation Cisco IP Phones running SCCP only :Cisco  7906G, Cisco 7911G, Cisco 7931G, Cisco 7941G, Cisco 7941GECisco  7942G, Cisco 7945G, Cisco 7961G, Cisco 7961GE, Cisco 7962GCisco  7965G, Cisco 79...

1) Cisco IP Phones with dual stack support:• Third generation Cisco IP Phones running SCCP only :Cisco 7906G, Cisco 7911G, Cisco 7931G, Cisco 7941G, Cisco 7941GECisco 7942G, Cisco 7945G, Cisco 7961G, Cisco 7961GE, Cisco 7962GCisco 7965G, Cisco 7970G,...