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1
Regional Telecom Training Centre 1
Thiruvananthapuram
GSM BILLING
Introduction
Landline & GSM billing are different
Landline Billing: Tapes – Cartridges
No concept of CDR
Based on meter readings – OMR, CMR, etc.
Compiled after every bi-monthly period
2
GSM
BILLING
PREPAID POSTPAID
No bills for
Bills are issued
prepaid
monthly to all
since they are
customers
already paid
3
Requirements
Software Hardware
Keenan BP &
OM
MSC Backend &
Integrated IN SMSC
Trichur, Frontend CSR
B&CCs Trichy Hyderabad
Ernakulam terminals
package
at Trichy
4
Track of Billing
Integrated customer care, billing and
accounting platform to support a wide range
of GSM Sevices like GPRs, WAP, IN
Services- (B&CCs)
Philosophy – to provide convergent billing
Also takes care of order management and
provisioning of services.
5
MSC
Every activity generates a CDR
There are 2 CDRs for every mobile to
mobile call
MOC MTC
6
-Objectives & Functions of B&CCS
- Collection of CDRs from MSCs
- Distribution of CDR to various applications
- Provide effective & efficient customer service
-Discounting schemes to the subscribers
-Provisioning of both pre and post-paid billing
- Number inventory and SIM management
- Roaming support
7
Components Of B&CCS
– Mediation Device
– Billing and Customer Care Module
– Decision Support System (DSS)
– Printing Sub-system
8
Mediation Device
•Mediation device converts incoming data
formats from MSC to a compatible format for
further applications as decision support
system and Billing System.
•It support the features viz. copy, format,
merge, filter, modify etc.
9
Functions of Mediation Device
• Collection
•Processing
•CDR Sequence number
•Monitoring
•Distribution
•Selection & validation
•consolidation
10
A) Collection
- Collect CDR in ASCII Format. Support FTP
& MTP on X.25 protocols for collection.
- Support the Sequence number validation so
that no files are lost or duplicated.
- If case of Mediation Device link Failure, it
keeps track of the last CDR received and will
start from the same.
11
PERFORMANCE REQUIREMENT
• 10 M CDR per day & peak rate of 3 M per hour.
Support X.25, RS-232, TCP/IP interface
•
12
Annexure-I
Local Area Network
Billing Location
Router Decision Support System
MSC 1
Central Router
Router Service Provisioning NMS
Server
MSC 2 Network for Customer
Care Terminals
Mediation
Servers
MSC 3
Router
Level 1 Router Customer care Nodes
Billing Server
Up to total of 20 locations
Connectivity Between MSC and Billing Location
13
Billing & Customer Care Module
(B&CCM)
B&CCM can support the billing and
accounting for the following services:
a)Wireless
i. GSM
ii. GPRS
iii. WAP
iv. UMTS
14
b) IN Services
i. Virtual Private Network (VPN)
ii. Universal Access Number(UAN)
iii. Free phone
iv. Premium Rate
V Pre-paid services
Vi post-paid services
viii. Tele-voting
15
Components of B&CCM
i. Customer Service Module
ii. Order Management Module
iii. Smart Card Handling
iv. Service Provisioning module
v. Billing Module 16
Functions of Customer Service Module
•Account search functionality - to determine whether
the customer is an existing, former or new customer. It
also holds Address, Tel. No., E-Mail address of the
customer.
Payment Process & Collection:Direct debits can be
arranged from banks.
•Customer information Handling: Handles & maintains
Customer Record and the types of subscriptions.
17
Order Management Module
•UNIX based System.
•Feeds all information of an account to billing system
•Fully customised GUI to enable CSR to Orders entry
•Dealer and Resellers inventory management.
18
Smart Card Handling
• Caters to both prepaid and post-paid
subscribers.
•Assigns MSISDN groups to the IMSI
no. series.
19
Functions of the Billing System
•Credit limit check.
• Interconnect Agreement.
•Support different invoice cycles including annual,
monthly, bi-monthly, quarterly, weekly and even
daily cycles.
•Apply taxes from multiple jurisdictions (country,
state, city etc.).
*Support Invoice formatting
*Support Invoice dispatch
20
Service Provisioning Module
• Provisioning of service features by managing
the databases of HLR, AUC etc.
• Creation/ Deletion of Subscribers
•Activation/ Deactivation of new services.
•SIM allocation and activation.
21
Decision Support System (DSS)
Decision Support System is a software tool, which
addresses the issues like customer satisfaction,
competition, falling prices, customer loyalty etc.
Objectives of DSS:
•To help in acquiring the best customer
•To keep customers satisfied
•Improve the profitability of services
22
Arrangements at Billing Center - Trichy
OMCR / Billing /
IN
Terminals MAIN ACDB
ACDB
Billing Server ACDB
C D G H I J
A B E F K L M N O P
Q R
Develop
BP TT ment
& OM ICB
MED 2 &
CS1 & T3 MED 1 T3 &
Backup 1
CS2 Backup 2
Billing Terminals
Room
a
b c
Cisco Cisco Cisco
7513 7513 7206
&
Billing Server Area L1 L1
5505
Router Router
Switch
23
Mediation Server Configuration
These are SUNFIRE 4800 Servers.
Each server is having ONE control board.
Each will have internal HD of 72GB capacity.
Each server is with 4 CPU and 8GB RAM
SUN Solaris OS loaded on each server.
Both the servers are connected directly to the
LAN and as well as to the Cisco 7206 router.
24
Billing Server Configuration
These are SUNFIRE 4800 Servers.
Each server is having TWO control boards.
Each will have internal HD of 72GB capacity
for each Mother board.
Each server is with 4 CPU and 8GB RAM
(2 Nos).
SUN Solaris OS and Oracle loaded on each
server.
Both the servers are connected directly to the
LAN through Cisco 5505 switch.
25
Backup Servers Configuration
These are SUNFIRE280R Servers.
Each will have internal HD of 72GBX2
capacity.
Each server is with 1 CPU and 1GB RAM
SUN Solaris OS loaded on each server.
26
GSM Services
TWO Types of Services
–PRE PAID
–POST PAID
27
PRE-PAID Tariff
Initial Charges on taking the connection
Initial SIM value/activation charges
i (inclusive of service tax Rs.9.52) Rs 200
ii Free talk value on initializing the SIM Rs 50
28
PRE-PAID Tariff
i Card Values (Rs.) 300 500 1000 2000
ii Fixed Charges *(Processing Charges) 102.07 102 104 2.09
iii Service Tax (8%*) (Rs. ) 22.22 37 74.1 148
iv Net call Value (Rs.) 175.71 361 822 1850
v Validity (in days) 30 45 60 90
vi Grace Period (in days) 15 15 15 15
vii Additional Grace Period for SIM only (in days) 60 60 60 60
a. Validity starts from the date of latest recharge.
c. During the grace period, no calls shall be allowed except emergency (toll free) & IVR
calls.
d. The unutilized balance amount of the previous card can be carried forward in case of
renewal within the grace period, other wise it shall lapse.
e. The SIM number can be re-activated with additional period of 60 days beyond even
the grace period of 15 days for all Card values , the credit balance will lapse but the
subscriber will not have to pay activation charges. 29
f.
PRE-PAID Tariff
Outgoing
Rs./min Pulse in seconds
Particulars (all 24 Hrs) (all 24 Hrs)
(I) Calls within the same Circle
(a) Cell to Cell 2.20 30
(b) Cell to Fixed Line i/c WLL(M) 2.40 30
(II) STD Calls
(a) Cell to Cell 2.40 30
(b) Cell to Fixed Line i/c WLL(M)
0-500 kms 2.40 30
>500Kms 3.60 30
DSI )II( NTSP rep sA
No charge for incoming calls
30
PRE-PAID Tariff
OPTIONALSERVICES Sl PARTICULARS Rate(Rs.) REMARKS
Maximum 160
A SMS O/G Rs.0.60 characters
Maximum 160
Per message I/C Free charatcters
B ROAMING 1 Roaming
a Rental/Subscription Free
Call Charges (including
b Airtime plus IUC) As per Plan-325
Maximum 160
c SMS (O/G) 0.6 Character
Maximum 160
d SMS (I/C) Free charatcters
MISCELLAN No upfront
C EOUS 1 Voice mail facility Free charges
Recording Free
Retrieval O/G charges As per plan
2 CLIP Free
3 Call waiting/call hold Free
Per call plus
Call Forwarding (only actual termination
4 within same SA) 2 charges
5 SIM Replacement Cost 200 on each occasion
Replacement of
6 defective SIM nil on BSNL's fault.
31
POST PAID tariff
I Initial Amounts on taking the connection
i Registration Fee Rs. 500
ii Activation Charges (one time) Rs. 200
iii Security Deposit
a. Local Rs. 1000
b. Local + STD Rs. 2000
c. Local + STD + ISD Rs. 3000
d. Roaming (additional) Nil
Registration amount is non-interest bearing and adjustable in the first bill.
Registration amount not applicable in cases where connection is available
immediately on demand.
In such a case payment for one time charges such as security deposit (where
applicable) and activation charges may only be received.
32
POST PAID tariff
Plan-225 Plan-325 Plan-525
(a) MONTHLY RENTAL(Rs.) 225 225 225
(b) Plan Charges for concessional usages per month(Rs.) NIL 100 300
Call Charges (Including Airtime plus IUC) in Rs. per minute
Particulars P e a k ho urs Off pe a k P e a k ho urs Off pe a k P e a k ho urs Off pe a k
ho urs ho urs ho urs
9 a m to 1 0 pm to 9 a m to 1 0 pm to 9 a m to 1 0 pm to
1 0 :0 0 P M 9 :0 0 AM 1 0 :0 0 P M 9 :0 0 AM 1 0 :0 0 P M 9 :0 0 AM
1 OUTGOING
(I) Calls within the same Circle
(a) Cell to Cell
(i) Pulse rate in seconds 15 15 15 15 15 15
(ii)Charges per minute 2.20 2.20 1.40 1.40 0.40 0.40
a) Cell to Fixed Line i/c WLL(M)
(i) Pulse rate in seconds 15 15 15 15 15 15
(ii)Charges per minute 2.40 2.40 1.80 1.80 1.20 1.20
(II)STD Calls
(a) Cell to Cell
(i) Pulse rate in seconds 15 15 15 15 15 15
(Rs. per minute) 2.40 2.40 1.80 1.80 1.80 1.80
(b) Cell to Fixed Line i/c WLL(M)
(i) Pulse rate in seconds 15 15 15 15 15 15
0-200 kms (Rs. per minute) 2.40 2.40 1.80 1.80 1.80 1.80
>200-500 Kms(Rs. per minute) 2.40 2.40 2.40 2.40 2.40 2.40
>500 Kms(Rs. per minute) 3.60 3.60 3.60 3.60 3.60 3.60
(III) ISD Calls As per PSTN
POST PAID Tariff
*No security deposit (for local/STD) connection from following
categories:
•BSNL employees
•Existing BSNL subscribers upon request. Conditions
apply
•Bank employees,
•Central/ State Government & Central PSU's
•Corporate Customers ( minimum 5 connections in
corporate name)
34
POST PAID Tariff
Sl PARTICULARS Rate(Rs.) REMARKS
1 Messaging
P lan-225 & RTP O/G Same SA 0.6
Outside SA 0.6 per message. Maximum
While roaming 0.6 160 characters
P lan-325 & P lan-525 O/G Same SA 0.6
Outside SA 0.6
per message. Maximum
While roaming 0.6 160 characters
I/C Free Maximum 160 charatcters
per month( applicable only
2 Unlimited SMS Same SA 200 in Plan-525)
3 Group messaging Rental 100 per month
O/G Same SA 0.6 per message. Maximum
Outside SA 0.6 160 characters
35
POST PAID Tariff
C. MISCELLANEOUS
Sl P ARTICULARS Rate(Rs.) REM ARKS
1 Voice mail facility Free No upfront charges
Recording Free
Retrieval O/G Charges As per plan
2 CLIP Free
3 CLIR NA
4 Call waiting/call hold Free
Call Forwarding (only per call plus actual
5 within same SA) 2 termination charges
SIM Replacement
6 Charges 200 on each occasion.
Replacement of
7 defective SIM nil Combined fault.
on BSNL's billing at one place
Corporate VPN only. Applicable for
(Applicable in plan-325 Corporate Sector, PSUs,
8 & plan-525 only) Govt. organisation only.
36
POST PAID Tariff
E. WAP Service (with effect from 13.3.2003)
•Activation charges - Rs. 100
•Monthly rental - Nil
•Access Charges - Rs. 2/- per minute
(airtime plus internet access)
Note-1: Where the customer access's the WAP from place other than
HPLMN, the applicable STD charges (as while roaming shall apply).
Note-2: The provision of WAP enabled instrument is by the subscribers
themselves.
37
Case Study
Calls between home mobiles
• Kerala BSNL Mobile in Kerala
• Kerala BSNL Mobile in Kerala
• No Prefix
• Local Charge
38
Calls between one BSNL mobile on roaming and other home mobile
• Kerala BSNL Mobile in Kerala
• Kerala BSNL Mobile roaming in TN
•No Prefix
•Local Charge
39
Case Study
Calls between home mobiles
• Kerala BSNL Mobile in Kerala
• TN BSNL Mobile in TN
•‘0’ Prefix
•STD Charge
• (No I/C charges)
40
• Kerala BSNL Mobile in Kerala
• TN BSNL Mobile in Kerala
•‘0’ Prefix
•STD Charge
• ( I/C charges)
41
Calls between one BSNL mobile on roaming and other home mobile
• Kerala BSNL Mobile Roaming in TN
• TN BSNL Mobile in TN
•No Prefix
•Local Charge
• (No I/c Charges)
42
Calls between BSNL mobiles both on roaming
• Kerala BSNL Mobile roaming in TN
• TN BSNL Mobile roaming in Kerala
•No Prefix
•Local Charge
• (I/C Charges)
43
Calls between one BSNL mobile on roaming and other home mobile
• Kerala BSNL Mobile roaming in TN
• Kerala BSNL Mobile in Kerala
•‘0’ Prefix
•STD Charge
• (No I/C charges)
44
Calls between BSNL mobiles both on roaming
• Kerala BSNL Mobile roaming in TN
• Kerala BSNL Mobile roaming in TN
•‘0’ Prefix
•STD Charge
• (I/C charges)
45
Calls between one BSNL mobile on roaming and other home mobile
• Kerala BSNL Mobile roaming in TN
• TN BSNL Mobile in TN
•‘0’ Prefix
•STD Charge
46
Calls between BSNL mobile and BSNL Land Line
• Kerala BSNL Mobile in Kerala
• Kerala BSNL Land Line
•Land line STD code - Prefix
•Local Charge
47
Calls between BSNL mobile and BSNL Land Line
• Kerala BSNL Mobile in Kerala
• Kerala BSNL Land Line
•No Prefix
•Local Land line Charges
48
Calls between BSNL mobile and BSNL Land Line
• Kerala BSNL Mobile in Kerala
• TN BSNL Land Line
•Land line STD code - Prefix
•STD Charge
49
Calls between BSNL mobile and BSNL Land Line
• Kerala BSNL Mobile in Kerala
• TN BSNL Land Line
•‘0’ - Prefix
•STD Charge
50
