Which three components need to be verified before the wireless IP phones can be deployed? (Choose three

You are deploying a combination of Cisco Unified Wireless IP Phones 7921G and 7925G at your branch offices in a centralized call processing environment that requires high availability at branch locations. Which three components need to be verified before the wireless IP phones can be deployed? (Choose three.)

You are deploying a combination of Cisco Unified Wireless IP Phones 7921G and 7925G at your branch offices in a centralized call processing environment that requires high availability at branch locations. Which three components need to be verified before the wireless IP phones can be deployed? (Choose three.)

A.
Sufficient SRST license support at each branch location

B.
Support for local voice mail

C.
Branch gateways support MoH

D.
Properly configured QoS over the IP WAN links

E.
Support for single number reach

F.
Support for E.164 dialing

G.
Sufficient IP phone licenses in the Cisco Unified Communications Manager cluster



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