question for any tapi experts, if they are still here -> modem not return caller id info. Regarding this I want to clear that my modem is TAPI and caller ID compatible , the strings I use are "ATZ" and "AT+VCID=1" IN HYPER TERMINAL,both responces are OK.when I making call than modem return only RING.plz help me , how modem return caller ID info. I am working on Visual Basic 6 and "Zoom Internal 56K LT Voice Faxmodem" modem. -- regards Vikas Murarka