diff options
| -rw-r--r-- | common/chapters/glossary.adoc | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/common/chapters/glossary.adoc b/common/chapters/glossary.adoc index 74973b3..e8fed3c 100644 --- a/common/chapters/glossary.adoc +++ b/common/chapters/glossary.adoc @@ -85,6 +85,9 @@ EDGE:: GPRS; introduces 8PSK EGPRS:: Enhanced GPRS; the part of EDGE relating to GPRS services +EIR:: + Equipment Identity Register; core network element that stores and manages + IMEI numbers ESME:: External SMS Entity; an external application interfacing with a SMSC over SMPP @@ -128,7 +131,11 @@ HPLMN:: IE:: Information Element IMEI:: - International Mobile Equipment Identity; unique identifier for the mobile phone + International Mobile Equipment Identity; unique 14-digit decimal number to + globally identify a mobile device, optionally with a 15th checksum digit +IMEISV:: + IMEI software version; unique 14-digit decimal number to globally identify a + mobile device (same as IMEI) plus two software version digits (total digits: 16) IMSI:: International Mobile Subscriber Identity; 15-digit unique identifier for the subscriber/SIM; starts with MCC/MNC of issuing operator @@ -147,6 +154,9 @@ LLC:: 44.064_ <<3gpp-ts-44-064>>) Location Area:: Location Area; a geographic area containing multiple BTS +LU:: + Location Updating; can be of type IMSI-Attach or Periodic. Procedure that + indicates a subscriber's physical presence in a given radio cell. M2PA:: MTP2 Peer-to-Peer Adaptation; a SIGTRAN Variant (_RFC 4165_ <<ietf-rfc4165>>) M2UA:: @@ -284,6 +294,10 @@ SMSC:: Short Message Service Center; store-and-forward relay for short messages SS7:: Signaling System No. 7; Classic digital telephony signaling system +SS:: + Supplementary Services; query and set various service parameters between + subscriber and core network (e.g. USSD, 3rd-party calls, hold/retrieve, + advice-of-charge, call deflection) SSH:: Secure Shell; _IETF RFC 4250_ <<ietf-rfc4251>> to 4254 SSN:: @@ -306,6 +320,8 @@ TFTP:: Trivial File Transfer Protocol; (_IETF RFC 1350_ <<ietf-rfc1350>>) TRX:: Transceiver; element of a BTS serving a single carrier +TS:: + Technical Specification u-Boot:: Boot loader used in various embedded systems UBI:: @@ -324,10 +340,16 @@ uplink:: USIM:: Universal Subscriber Identity Module; application running on a UICC to provide subscriber identity for UMTS and GSM networks +USSD:: + Unstructured Supplementary Service Data; textual dialog between subscriber + and core network, e.g. '*#100#' -> 'Your extension is 1234' VCTCXO:: Voltage Controlled, Temperature Compensated Crystal Oscillator; a precision oscillator, superior to a classic crystal oscillator, but inferior to an OCXO +VLR:: + Visitor Location Register; volatile storage of attached subscribers in + the MSC VPLMN:: Visited PLMN; the network in which the subscriber is currently registered; may differ from HPLMN when on roaming |