An account manager is meeting with a service provider customer planning to upgrade each of its managed routers with a Cisco Unity Express Network Module from the Cisco Unity Express Advanced Integration Module. Because this customer manages hundreds of routers at dispersed locations, the customer is concerned about labor costs in upgrading their routers. What should be your response to this concern?

A.
Cisco can send a technician to perform the upgrade at each site.

B.
Cisco will ship the modules to the subscriber locations, and the subscriber can easily install them.

C.
The subscriber should contact the closest Cisco sales office and bring in each router for installation.

D.
Cisco will ship the modules to the service provider, and the service provider must install each module at each subscriber location.