Call Flows Date: Jan. 31, 2024 Rev: 1
CFB PD
CFB AT&T
Central Office
Solution: (1) Copper Landlines remain supported until Fiber is installed at the Premise. (2) Local Calls Remain Local (connected over copper *or* fiber, and ideally even over cellular).
Local Calls
remain Local –
Requires local
switching /
routing of fiber.
Key: Copper LandlineFiberCall Flow