My Telecom Space

Friday, January 31, 2014

Posted by SajithPacheni at 5:15 AM

USSD Call FLow

There are two types of USSD -- Network Initiated - Push Mode User Initiated - Pull Mode USSD Message Types for each types Ne...
Camel Subscription Information (CSI)

CAMEL Subscription Information (CSI) is a part of the subscriber data that is stored in the HLR. The CSI indicates that the subscriber has...
Difference between CONNECT and CONTINUE

Connect : Use if the SCP modifies the b-party number. For example, ported numbers, short codes, etc. Continue : Use if the SCP does not m...
Number Normalization

Number Normalization
Information Flows used by CAMEL

CAP Information flows between network entities in circuit switched call control. SSF to SCF · Activity Test · ...
MAP User Error Parameter values

User Error Value MAPUE_unknown_subscriber 1 MAPUE_unknown_MSC 3 MAPUE_unidentifi...
Addressing and Information Routing in SS7

In SS7, the SCCP layer routes the messages between different network elements using Destination Point Code (DPC) plus the Sub System Numb...
UM Interface - MOC and SMS Call Setup

http://en.wikipedia.org/wiki/Um_interface#Mobile-Originating_Call_.28MOC.29_establishment
BCSM Detection Points 50 and 51

Till Camel Phase 4, the O_Not_Reachable and T_Not_Reachable conditons were only able to armed using O_Busy and T_Busy events. In this case, ...
CAMEL Network Architecture

HLR: Home Location Register VLR: Visited Location Register MSC: Mobile Switching Center GMSC: Gateway Mobile Switching Center...