"Voice communications networks and IP data networks have almost nothing in common beyond being networks: IP networks are packet switched, while voice networks a

IPsec is Internet Protocol Security Architecture. IP is the most important and widely-used networking today. Discussions about security around this Protocol hav

IP Telephony has revolutionized many aspects of telecommunications and it continues to be deployed at a rapid pace. The benefits of transporting voice over an I

LDAP is the protocol at the heart of universally interoperable directory services applications. All major directory services products-including Novell's market-

Session Initiation Protocol (SIP), standardized by the Internet Engineering Task Force (IETF), has emulated the simplicity of the protocol architecture of hyper