Iu InterfaceIu Interface This is the interface which links the RNC (Radio Network Controller) with either a 3G MSC (3G Mobile Switching Centre) or a 3G SGSN (3G S... View more
Iu ProtocolIu Protocol The Iu Protocol defines the structure of user plane on the Iu Interface. The payload of the frame is specified as a certain PDU (Protocol ... View more
Iu UP - Iu User Plane protocolIuUP protocol is used to carry user plane data across the Iu interface which is associated with a RAB (Radio Access Bearer). Consequently, if several ... View more
Iu-CS Interface - Iu-CS Interface (Circuit Switched)Iu-CS Interface (Circuit Switched) This is the interface in UMTS which links the RNC (Radio Network Controller) with a 3G MSC (3G Mobile Switching Cen... View more
Iu-PS Interface - Iu-PS Interface (Packet Switched)Iu-PS Interface (Packet Switched) This is the interface in UMTS which links the RNC (Radio Network Controller) with a 3G SGSN (3G Serving GPRS Support... View more
Iub InterfaceIub Interface This interface is located on a UMTS network and is found between the RNC (Radio Network Controller) and the Node B. ... View more
IUC - Isochronous User ChannelAn Isochronous user channel is used for time bounded information. An example would be compressed audio.... View more
Iuh InterfaceThe Iuh Interface spans the link between the HNB and the HNB-GW. As such, it supports the broadband IP connection which links the Femto Cell to the se... View more
Iur InterfaceIur Interface This Interface is located on a UMTS network and is found between two RNC (Radio Network Controller). ... View more
IV - Initialization VectorAn Initialization Vector is a block of bits that is required to allow a stream cipher or a block cipher to be executed in any of several streaming mod... View more
IVR - Interactive Voice RecognitionIVR, also termed Interactive Voice Response, is an automated system which allows key spoken words to be detected and interpreted in order to invoke a ... View more
IVR - Interactive Voice ResponseThe systems that provide information in the form of recorded messages over telephone lines in response to user input in the form of spoken words or, m... View more
IWF - Interworking FunctionThe Interworking Function is used to provide circuit switched data services when connecting a cellular network to a PSTN. It is comprised of rate adap... View more
IXP - Internet Exchange PointsAn IXP allows ISP (Internet Service Providers)to extend their network by exchanging routing information and traffic with other ISPs. The ISP buys a co... View more
