Oki Electric Industry
300 bps Full Duplex FSK Modem – ITU-T V.21
Oki Electric Industry
DTMF Transceiver
Oki Electric Industry
Single Rail CODEC
Oki Electric Industry
π/4 Shift QPSK MODEM
Oki Electric Industry
1200 bps Half Duplex FSK Modem – ITU-T V.23
Oki Electric Industry
Single Rail CODEC
Oki Electric Industry
π/4 Shift QPSK MODEM
Oki Electric Industry
Multi-Function PCM CODEC
Oki Electric Industry
Single Rail ADPCM CODEC
Oki Electric Industry
Single Rail CODEC
Oki Electric Industry
Single Rail CODEC
Oki Electric Industry
ITU-T G.721 ADPCM TRANSCODER
Oki Electric Industry
Voice Signal Level Control LSI
Oki Electric Industry
Text-to-speech conversion LSI
Oki Electric Industry
5V Single-Rail APDCM CODECs
Oki Electric Industry
Single Rail CODEC
Oki Electric Industry
Single Rail CODEC