ELancaster, Pennsylvania-based Cardinal Technologies Inc has announced an ISDN Basic Rate Interface AT bus adaptor aimed at the the small office-home office Internet user. According to the company, it includes point and click installation software, and support for Windows communications standards including the TAPI Telephony Application Programming Interface and WinSock, plus the Point-to-Point Protocol and MultiLink PPP. The product is also said to support the ISDN extensions announced by Microsoft Corp for Windows95. It will ship next quarter, priced at $200.