Warning: Table './vishnu83_test/sessions' is marked as crashed and should be repaired query: SELECT u.*, s.* FROM users u INNER JOIN sessions s ON u.uid = s.uid WHERE s.sid = 'f51a793304eb1c2a2edc55ed564a17ea' in /home/vishnu83/public_html/includes/database.mysqli.inc on line 128

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/vishnu83/public_html/includes/database.mysqli.inc:128) in /home/vishnu83/public_html/includes/bootstrap.inc on line 1031

Warning: Cannot modify header information - headers already sent by (output started at /home/vishnu83/public_html/includes/database.mysqli.inc:128) in /home/vishnu83/public_html/includes/bootstrap.inc on line 630

Warning: Cannot modify header information - headers already sent by (output started at /home/vishnu83/public_html/includes/database.mysqli.inc:128) in /home/vishnu83/public_html/includes/bootstrap.inc on line 631

Warning: Cannot modify header information - headers already sent by (output started at /home/vishnu83/public_html/includes/database.mysqli.inc:128) in /home/vishnu83/public_html/includes/bootstrap.inc on line 632

Warning: Cannot modify header information - headers already sent by (output started at /home/vishnu83/public_html/includes/database.mysqli.inc:128) in /home/vishnu83/public_html/includes/bootstrap.inc on line 633
TELECOMMUNICATION CALL FLOW AND GSM TUTORIAL | WhyTelecom

Invite a friend

GSM Terminology

VLR Visitor Location Register

HLR Home Location Register

AUC Authentication center

EIR Equipment Identification

MSC Mobile Switching center

BTS Base Transceiver Station

BSC Base Station Controller

SCP Service control point

SDP Service Data Point

SSF Service Switching Functionality

SMSC Short Message Switching Center

MMSC Multimedia Messaging Service

USSD Unstructured Supplementary Service Data

GPRS General Packet Radio Service

EDGE Enhanced Data Rates for GSM Evolution

SGSN Serving GPRS Support Node

GGSN Gateway GPRS Support Node

HSCSD High-Speed Circuit-Switched Data

IVR Interactive voice response

Contents

warning: Cannot modify header information - headers already sent by (output started at /home/vishnu83/public_html/includes/database.mysqli.inc:128) in /home/vishnu83/public_html/includes/common.inc on line 141.

TELECOMMUNICATION CALL FLOW AND GSM TUTORIAL

whytelecom.com

GSM CALL FLOW

MOBILE ORIGINATING CALLFLOW

MOBILE TERMINATING CALLFLOW

SMS ORIGINATING CALLFLOW

SMS MOBILE TERMINATING CALLFLOW

SMS FLOW BETWEEN GSM & CDMA

GPRS PDP ATTACH FLOW

ISUP CALL FLOW

MOBILITY MANAGEMENT &
LOCATION UPDATE

CAMEL CALL FLOW

GSM TUTORIAL

GSM Architecture

Hacking GSM network
GSM Video Tutorial

Intelligent Newtorks

IIT Lecture Series on Advanced Wireless Communication - GSM & CDMA

Steps Involved When a Mobile Phone is switched ON

Transfer Account Procedure TAP

IMEI - International Mobile Subscriber Identity

GSM Frequency Band

Diameter Credit Control Application

Why Do we need Frequency Hopping

What is MVNO?

Recent Comments

Title

1 week 3 days ago

Title

2 weeks 3 days ago

Title

11 weeks 3 days ago

telecom

17 weeks 21 hours ago

try here

17 weeks 21 hours ago

Starting the gateway After

17 weeks 21 hours ago

The documentation for Kannel

22 weeks 6 days ago

When A sucriber call to B

29 weeks 2 days ago

info on call flow etc

39 weeks 6 days ago

Question on GSM cell search

User login

Recent blog posts

GSM signaling

GSM

Who's new

89
aspund
vishnumathil
Bill_Hn08
39