IP blue offers an extensive line of products to satisfy the wide range of voice over IP communications. Please see which one best suits your environment and requirements. Feature VTGO-PC Lite VTGO-PC Advanced VTGO-PC API VTGO-PC Multilab VTGO-PC 508 VTGO-PC Attendant VTGO for PocketPC VTALL Basic Telephony Maximum Lines 6 34 34 34 34 120* 2 256 Call Recording     Exposes API           Multiple Instances               Hoot-and-Holler             Voice-Assist, TDD/TTY               Runs on Windows Mobile               Price $115 $199 $550 $199 $750 Call $115 $1000 * - requires special IP blue phone template load on CallManager