PSB21373HV1.1,音频编解码器 PBX
PSB21382HV1.3,网络控制器与处理器 IC PBX
PSB21383HV1.3,电信集成电路 AMuLaw/Speech CODEC w/ ST Transceiver
PSB21384HV1.3,电信集成电路 AMuLaw/Speech CODEC w/ ST Transceiver
PSB21391HV1.3,电信集成电路 AMuLaw/Speech CODEC w/ ST Transceiver
PSB21393HV1.3,电信集成电路 AMuLaw/Speech CODEC w/ ST Transceiver
PSB21473FV1.3,电信集成电路 AMuLaw/Speech CODEC w/ ST Transceiver
PSB21493FV1.7,电信集成电路 AMuLaw/Speech CODEC w/ U PN Trans w/ MCU
