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OBJECTIVES This course aims to provide knowledge on SIP signaling for advanced services like conference calls and Unified Communication services, such as Presence, SIMPLE and XMPP for SIP. Moreover, this training discusses existing NAT-Traversal procedures for VoIP service and IP telephony deployment in IMS networks. Special emphasis is given to the configuration modes of different vendors professional devices.
PREREQUISITES SIP protocol basic skills.
WHO SHOULD ATTEND Technical personnel working for Network Providers or System Integrators.
TOPICS Presence Subscription: SUBSCRIBE and NOTIFY Instant Messaging protocols: XMPP and SIMPLE Presence Server SIP MESSAGE method SIP, XML and HTML interworking Server Redirection vs Client Redirection Forking Proxies Image calls: T.38 protocol ALG: Application Layer Gateway NAT Discovery STUN, TURN and ICE protocols Session Border Controllers (SBC) and B2B User Agents SIP and Diameter 3GPP in IMS NAPTR entries and ENUM resolutions