1 IEX8175 RF Electronics Avo Ots telekommunikatsiooni õppetool, TTÜ raadio- ja sidetehnika inst.
2 Voice VoIP + multimedia SIP evolution UMA (Voice + GSM suppl. services)k VoIP technology Cisco, Avaya Skype MSN/AOL Enterprise VoIP solutions Internet VoIP (Community VoIP & proprietary solutions) Telecom world GSM core evolution IP Centrex Siemens, Huawei, OKI, Fujitsu, NEC, Ericsson, … Hybrid UMA + IMS Basic VoIP 3GPP IMS SIP based IETF VoIP IETF SIP based
3
4 Source: Nokia Technology used to terminate the call e e -06 e -08 e Mobile voice traffic Fixed voice traffic VoIP traffic
5 ISDN FTTH VDSL CATV xDSL PHS Data Access Speed K 1M 10 M 100M 1G Data speed 1K 10K Voice band modem ● W-CDMA (384K) cdma200 ● cdma2000 EV-DO (2.4M) ● W-CDMA HSDPA (14M) ● (30M) Systems beyond IMT-2000 IMT family family Fixed Communications
6 UWB Internet digital camera printer DVD recorder PC TV Optic fiber
7 Links ?eid=137 systems.com/columns/spec_corner/pdfs/2006,04. pdf o.pdf