Low Voltage Speech Circuit with Tone Ringer Interface
Temic Semiconductors
Telephone Speech Circuit
Temic Semiconductors
Universal Speech Circuit
Ericsson
Universal Speech Circuit
Ericsson
Universal Speech Circuit
Ericsson
LOW VOLTAGE TELEPHONE SPEECH CIRCUITS
STMicroelectronics
LOW VOLTAGE TELEPHONE SPEECH CIRCUITS
STMicroelectronics
Low Voltage Universal Speech Network
Hynix Semiconductor
Low Voltage Universal Speech Network
Hyundai Micro Electronics
Standard Speech Circuit(SSC)
Siemens AG