Self-service service terminal

electricity universal service

Telecom Universal Service

telecom universal service fund

Telecommucational Universal Service in Taiwan

Universal Service

universal service concept

universal service fund

universal service in telecommunication

Universal Service Obligation

Universal Terminal

USO Universal Service Order

USOC Universal Service Order Code

modular universal terminal

universal service order code

conversational terminal service

data terminal service

NVTS Network Virtual Terminal Service

Power Field Service Terminal