Digital Transmission Support

Cellular Telephone Circuit

Codec

Paging Circuit

Cordless Telephone IC

Telecom Switching Circuit

Modem

Digital Transmission Interface

Telecom Signaling Circuit

Telecom IC:Other

System Interface Logic

Network Interface

ATM/SONET/SDH IC

Digital Transmission Controller

Telecom Protection Circuit

Telecom Encryption Circuit

Telephone Circuit

Analog Transmission Interface