You are troubleshooting a one-way call problem with a Cisco 7920 wireless IP phone on a standaloneWLAN. What may have caused this problem?()
- AThe minimum data rate is not set to 11 Mbps.
- BAn address resolution protocol has been disabled.
- CPublicly Secure Packet forwarding is enabled.
- DThe access point is set to the least congested channel.