A range of hot-swappable CompactPCI backplanes is designed specifically for computer telephony (CT) applications. The 6U backplanes comply with PICMG computer telephony specifications and support basic hot-swap of CT and peripheral boards. They’re suited for high-end, fault-tolerant systems.In addition, the units comply with Enterprise Computer Telephony Forum H.110 specs, the PICMG core, and cPCI CT specifications to ensure multivendor interoperability across a wide range of applications. They support 32-/64-bit, 3.3V or 5V interoperability, operate at 33 MHz (with options to 66 MHz) and support four, six, eight or 16 slots.