I - Information FamesInformation frames are used to carry user information or signalling data across a link. ... View more
I-CSCF - Interrogating – Call Session Control FunctionThe I-CSCF is responsible for onward routing of SIP messages to the appropriate S-CSCF (Serving CSCF) for a given subscriber. This routing capability ... View more
i-modei -mode is a Japanese mobile phone service from NTT (Nippon Telegraph and Telephone Corporation) DoCoMo which allows users to access many multimedia s... View more
I-SBC - Interconnect Session Border ControllerAn Interconnect SBC typically sits on the border between two IMS or SIP networks. In this role, the I-SBC conducts a variety of functions, including s... View more
I2RS - Interface to Routing SystemThe IETF's I2RS protocol is a potential solution for the Southbound API associated with the Software Defined Networking architecture. I2RS retains the... View more
IA5 - International Alphabet 5International Alphabet 5 is an international standard alphanumeric code which has a facility for national options. The USA version is called ASCII (Am... View more
IAB - Internet Architecture BoardThe Internet Architecture Board comprises of researchers who discuss issues pertinent to the architecture of the Internet. They are also responsible f... View more
IAC - Inquiry Access CodeThe Inquiry Access Code is used in Bluetooth inquiry procedures. There are two types: DIAC (Dedicated IAC), which is used for specific devices, or GIA... View more
IAM - Initial Address MessageAn Initial Address Message can be found in SS7 (Signalling System No.7) signalling networks as part of the ISUP (Integrated Services Digital Network U... View more
IANA - Internet Assigned Numbers AuthorityThe IANA allocates and maintains unique codes and numbering systems that are used in the technical standards that drive the Internet (termed RFC ). Fo... View more
IAPP - Inter Access Point ProtocolWithin an IEEE 802.11 network, Stations may roam between different AP (Access Points). In order to ensure all relevant information is delivered to the... View more
IARI - IMS Application Reference IdentifierAn IARI is used to uniquely identify an IMS application. IMS applications provide an IMS service which utilize established IMS Communication Services ... View more
IARP - Inter APN Routing PolicyInformation provided by the ANDSF which tells the mobile which traffic should be sent across which PDN connections, and also which traffic should unde... View more
IBCF - Interconnection Border Control FunctionThe IBCF is a SIP (Session Initiation Protocol) ALG (Application Level Gateway) which is designed to facilitate interconnection between two service pr... View more
IBSS - Independent Basic Service SetAn Independent Basic Service Set or ad hoc network is the simplest of all IEEE 802.11 networks in that no network infrastructure is required. As such,... View more
ICANN - Internet Corporation for Assigned Names NumbersICANN oversees the IANA and as such supervises the allocation of IP Addressing and domain names, ensuring uniqueness in both areas and hence driving t... View more
ICE - Interactive Connectivity EstablishmentICE is a NAT Traversal mechanism which incorporates both the STUN and TURN protocols. Developed by the IETF MMUSIC working group, ICE is deployed in m... View more
ICID - IM CN subsystem Charging IdentifierThe ICID is used within the IMS (IP Multimedia Subsystem) to correlate session level charging information in both the visited and home networks. It is... View more
ICMP - Internet Control Message ProtocolThe Internet Control Message Protocol is a Layer 2 protocol that reports errors and provides other information relevant to IP packet processing. The p... View more
ICS - IMS Centralized ServicesICS is a option for service providers who wish to anchor all of their call control within the IMS, despite the fact that users may be on CS access whe... View more