announced it has brought to market three press-to-talk handsets, one based on the GSM platform, with the other two being CDMA-based. The V400p is a quad-band GSM handset that offers one-touch press-to-talk capability and an integrated speakerphone. The T300p and V65p also offer a dedicated press-to-talk button and integrated speaker phone, with the T300p designed for use under rugged conditions, according to the company.