Our customer have Cisco switch 2960X-48FPD-L, they have buy Cisco CP-8851-3PCC-K9 and CP-BEKEM. They want use Cisco CP-8851-3PCC-K9 and CP-BEKEM on Asterisk IP PBX environment
When our customer connected Cisco CP-8851-3PCC-K9 to 2960X-48FPD-L, it can power on Cisco CP-8851-3PCC-K9.
They have a problem when connect Cisco CP-8851-3PCC-K9 and 1 CP-BEKEM to Cisco switch 2960X-48FPD-L. The problem are on Cisco CP-8851-3PCC-K9 display has message "The phone cannot power this accessories" (CP-BEKEM cannot power on)
What cause Cisco CP-8851-3PCC-K9 cannot power on CP-BEKEM and how to solve it?
Thanks