主页（http://www.pttcn.net）：SIP 相关技术系列讲座开讲(9) Centralized conferencing Centralized Signaling Centralized Mixing (optional) Centralized Authentication B2BUA (Discussed in core module) Conference Components The Focus More than one Focus Creating a Conference Creating a Conference: Details Adding a participant Adding a participant: Details Alternative INVITE with REFER Unified Communications What’s all the fuss? Unified Confusion What is Unified Communications? From UC to UCaaS Components involved What should UC do? 21st Century Dial tone The Unified inbox Unified aware applications Find me – Follow me Device awareness Unified Comms for Business Humans and UC Migrating to UCaaS UCasS, SIP and the WAN Part 10：SIP，云托管，LTE，IMS 介绍 Hosted SIP What Hosted SIP service is Hosted functions and features Example Network including ‘failover’ ‘Hosted’ clients in action Why Hosted – Benefits and things to consider Why on-site PBX – Benefits and things to consider Auto Provisioning Auto Provisioning Example Boot Server Client Config Client boot sequence Client config download RFC 6011 Benefits of Hosted SIP Service Benefits of Onsite PBX and SIP trunks SIP, LTE, the IMS and VoLTE Network Overview RAN, eNodeB, EPC, IP Core and 3GPP 4G, LTE, LTE Advanced, WiMAX2 The RAN and EPC Default Bearer Setup Introduction to the Servers and Functions in the IMS CSCF S-CSCF P-CSCF I-CSCF Home Subscriber Server HSS Application Server TAS PSCF DNS and ENUM Device Registration (with SIP) SIP Registration packet example SIP in the IMS – Call Flow explained Introduction to VoLTE and the threat of OTT services Making VoLTE work SIP Preconditions in Action With Codec examples within SDP SIP Call flow for VoLTE Quality settings ‘recap’ VoLTE media flow More on VoLTE The IMS Layers architecture Application IMS / Session Control Access and Transport 3GPP Multiple access devices RCS and OTT Who provides IMS solutions? IPX and Peering for Security, QoS and SLAs GSMA and IR.92 HD Voice News SIP and Fax over IP G.711 Pass-through T.37 Store and Forward T.38 Relay UDPTL SIP in FoIp SIP INVITE INVITE for T.38
|
