ABC Company end users are reporting voice roaming issues. Which two situations are possible causes? (Choose two.) 

Answer options:

A. The RF coverage cells have only 10-percent overlap; 15- to 20-percent cell overlap is typically needed for seamless roaming.
B. The RF coverage is colocated.
C. There is interference from a 5 GHz DECT-like phone.
D. The RF coverage cells have only 20-percent overlap; 25- to 30-percent cell overlap is typically needed for seamless roaming.
E. There is interference from the cellular network.

AC