IMEI and IMEI-SV – International Mobile Station Equipment Identity and Software Version Number is a number used to unique identify a terminal (mobile phone) on 3GPP networks and satellite. IMEI As we said all mobile devices must have a IMEI...
Read moreSS7 Protocol Stack SS7 MTP – Message Transfer Part Components SS7 Message Transfer Part MTP 1 – Layer 1 MTP 1 is the physical interface of SS7 Protocol Stack, here we control the physical and electrical characteristics that make a...
Read moreGSM Protocol Stack explained Protocol Stack GSM Layer 1 Radio Transmission GSM900 Upstream : 890 ~915 Mhz Downstream : 935 ~ 960 Mhz Duplex Interval : 45 Mhz Bandwidth : 25 Mhz Frequency Interval : 200 Khz TDM / FDMA Read more…
RAN – Radio Access Network BSS – Base Station Sub System NSS – Network Station SubSystem NMS – Network Management System OSS – Operation Station Subsystem
GSM Components Explained – GSM has different network components SIM – Subscriber Identification Module MS – Mobile Station BTS – Base Transceiver System BSC – Base Station Controller MSC – Mobile Switching Center HLR – Home Location Register VLR – Read more…
GSM Channels – GSM as two types of channels Physical and Logical. The Logical channels are divided in two sub channels one for signalling control and other for voice packets. Control / Signalling Channels Broadcast Channels BCH – Downlink BCCH Read more…
GSM SIM Card Identifiers are codes defined by ETSI standards MSISDN Mobile Subscriber Integrated Service Digital Number is a 10 digits number associated with a country code, this is the client mobile number! The MSISDN can have a maximum of Read more…
Understand how Diameter PCRF Interfaces interconnect with other IMS devices. Diameter PCRF
Diameter Interfaces List Diameter Interfaces list Base Protocol – IETF RFC 3588 Interface Network Location Supported version Diameter Commands for 3GPP IETF RFC 3589 Diameter Credit Control App IETF RFC 4006 NASREQ Support for Network Access Server IETF RFC 4005 Read more…
