Does AT&T still support SBCGlobal?]]]]

https://support.inkling.com/hc/en-us/community/posts/32684098089741--1-877-660-6474-Does-AT-T-still-support-SBCGlobalhttps://support.inkling.com/hc/en-us/community/posts/32684098089741--1-877-660-6474-Does-AT-T-still-support-SBCGlobal