Customer defined call setup
Customer group billing
Customer information announcement service
Customer interaction system
Customer line tester
Customer oriented telecommunications network
Customer owned telephone numbers
Customer premise equipment interface
Customer premise equipment network integrator
Customer premises equipment that can support multiple call...
Customer premises equipment that can support multiple call...
Customer profile based customized messaging
Customer profile based telephone card billing
Customer programmable caller ID alerting indicator
Customer programmable real-time system
Customer queuing arrangement
Customer relationship management for “private”...
Customer relationship management for customer service requests
Customer responding system, computer terminal, customer...
Customer self routing call center