1. Telecom Services

2. Telecom Services SMS E-Mail WAP Prepaid Internet
Communication Service Providers
Service
BTS
MSC
HLR
WAP
SGSN
DNS
CGSN
Network
Network Element Vendors
BTS
MSC
HLR
WAP
SGSN
DNS
CGSN
Element

3. Service Dependency
Let’s take a look at the telecom services of yesterday and also the services of the present and the future.
The Services Today and Tomorrow
End User Services
Community Portal
Mail Services
ERP Systems
Video Streaming
Still Imaging
VOIP
Commerce Apps
Messaging
Content & Application Yesterday
The Services Yesterday
Voice
SMS
FAX
VAS
Connectivity Layer

4. ITU-T Service Classification
Non Network Service
Permanent VAS
Newspaper Subscription
Mobile on Rent
Itemized Bill
Event VMS
Change of Mobile No.
Change of SIM
Change of Rate Plan

5. ITU-T Service Classification
Network Service
Supplementary
Calling Line ID
Call Forwarding
Call Waiting
Tele
Voice
SMS
Data
Bearer
Bearer services are telecommunication services that are used to transfer user data and control signals between two pieces of equipment

6. Service: Telecom Vision
Any Place
Any Network
Any Form
Any Device
Any Time
Any Service
Service: Telecom Vision
The telecom service envisions the following:

7. Journey: From Service Usage to Billing
The journey starts when the customer uses a service
Customer Uses Service
Network Generates CDR
Mediation Mediates CDR
Rating Engine Rates CDR
Billing Engine Bills Customer 1 5 2
Journey: From Service Usage to Billing 3 4

8. Journey: From Service Usage to Billing
Customer Uses Service
The journey starts when the customer uses a service
Network Generates CDR
The network elements generates CDR (Call Detailed Record)
Mediation Mediates CDR
CDR Flow: Network Element->Mediation-> Billing System
Rating Engine Rates CDR
Rating Engine rates the Call Detailed Record
Billing Engine Bills Customer
Bill formatting engine formats a bill.