Postal communication contract
Postal communication network
postal services statistics
Basic Communication Services
common communication services
convergent communication services
electric power communication services
Fire Services Communication Centre
Personal Communication Services
Power Communication Services
Netcom On-line Communication Services
data communication program communication block
on-board communication station ，ship communication station
search and rescue coordinating communication {= SAR coordinating communication}
Short-wave communication ( SW communication)
Key lab of satellite communication of institute of communication engineer