My Creative ModemBlaster supports CID. Most modems support this these days but they don't tell you in the feature list.
OS - Windows 7 64bit / MB - MA785GM-US2H (Gigabyte) / CPU - 705e X3 (AMD) / RAM - 4G DDR2 800 (Mushkin) / HD - 250gb + 1tb (Western Digital) - AHCI Enabled / TV - HDHR (x2) + ATI550 (x2) / Notable software (Stable) - DVRMSToolbox, TMT3, Passed digital cable advisor