企业通讯整合
企业通讯整合
內容主題 通訊趨勢 °網路服務趨勢 企業通訊整合
內容主題 • 通訊趨勢 • 網路服務趨勢 • 企業通訊整合
通訊趨勢 VVLD LP Video voice, Internet, Data, over IP
通訊趨勢 V. I.P. V. I.D. Video,Voice,Internet,Data, over IP
Separate Service infrastructures s多重用 ntegrated Service Infrastructure Private Frame ATM Voice Line P Voice Private Frame ATM Line Relay PPP TDM FR Multi-Service Switch Switch Switch Router PPP DACS DACS ATMATM Voice/ PL Frame Circ. Em Rela SwitchSwitch Switch ATM SONET/SDHSONET/SI SONET/SDH ADMADM ADM ADMADM DWDM DWDM Fiber Optics Fiber Optics
有線通訊:多重服務之架構 TDM Switch DACS SONET/SDH ADM Voice FR Switch ATM Switch SONET/SDH ADM PPP Concentrator IP Router ATM Switch SONET/SDH ADM IP DACS SONET/SDH ADM Private Line ATM Switch SONET/SDH ADM DWDM Fiber Optics Frame Relay ATM Separate Service Infrastructures Voice Frame Relay ATM DWDM Fiber Optics IP Private Line IP Frame Relay ATM PL Circ. Em SONET/SDH Voice PPP Concentrator Multi-Service Switch Integrated Service Infrastructure
網路服務提供商 Network Service Provider Network services RADIUS Servers Service and PSTN lling servers Resource Network Business Unified Features Name Servers Network Servers Management Management MessagingServers Data VPN Databases Fixed Access POTS -H Mobile Core Network Access POTS ISDN 2G+3G DSL SDH/Optica Wireless Voice LAN—□ PSTN/ISDN Internet
網路服務提供商 Network Service Provider PSTN/ISDN • RADIUS Servers • Billing Servers • Name Servers • Data VPN Unified Messaging Network Management Service and Business Management Network Databases PSTN Features Servers Resource Servers Network Services POTS ISDN POTS ISDN xDSL Voice ATM LANs NIU Wireless Firewall ... Fixed Access Mobile Access 2G + 3G Internet SDH/Optical IP Core Network