This kit offers everything needed (except the phone, of course) to record both sides of phone conversation using your iPhone (or other similar device using 4-pole connector like iPod Touch/Blackberry/Droids/HTC).
– iPhone breakout cable with volume control (12767)
– Tascam DR-05X digital recorder
– SP-LAV-1 high sensitivity lapel mic with 39″ cable, clip and windscreen (12800)
– SP-EARBUDS-6 single earbud
– SP-SPSC-7 12 inch patch cable (13026)