ICs for Communications Digital Answering Machine w.
Siemens Semiconductor Group
PSB4860 - Digital Answering Machine with Full Duplex Speakerphone SAM EC
ICs for Communications Digital Answering Machine with Full Duplex Speakerphone SAM EC PSB 4860 Version 2.1 Data Sheet 10.97 DS 1 PSB 4860 Revision H.
