Celcom is a mobile network operator located in Kuala Lumpur, Malaysia. It has over 20 million prepaid subscribers and 4 million postpaid subscribers. Celcom uses both 2G and 3G networks to provision telephone numbers and SIM cards to customers. Key operations performed include creating and managing telephone numbers and SIM cards, performing number porting, updating subscriber details, and pairing telephone numbers with SIM cards.

1. Celcom
Location: Kualalumpur, Malaysia
Phase: R1 & R2
System Integrator: Accenture, Malaysia

2. Telephone Number Brief
• Telephone Numbers Volume
• Prepaid : 16 Million (1.6 Crore)
• Postpaid : 4 Million ( 40 Lakhs)
• MVNO Prepaid /Post Paid,
Prepaid Celcom First – 2 Million
(20 Lakhs)
• VOBB – 500,000
• Network Type
• 2G
• 3G
• Number Types
• Owned
• Ported-In
• Celcom MVNO
• Ported-out
• Number Categories
• Golden CEO
• Golden A1/A2/A3/A4
• Normal
• SP1/SP2
• Regional
Classification
• HQ
• Central/Central1/
Central2
• Northern
• Southern
• Sabah/Sabah1/Sa
bah2
• Sarawak/Sarawak
1/Sarawak2

3. Telephone Number Management Operations
• Create Telephone Numbers – Mobile and VOBB
• Bulk change TN status
• Create Dynamic Telephone Numbers (Number Porting)
• Update Telephone Numbers
• Perform Telephone Number Conversions
• Telephone Number Details Retrieve for New Registration
• VoBB Telephone Number Retrieve/Update
• Perform Bulk Assign/Unassign of Prepaid/Postpaid Telephone Numbers
• Perform Telephone Number Single/Bulk Reservation
• Telephone Number Recycling
• Perform Service Number Change
• Allocate Telephone Numbers to Stores

4. SIM Card Brief
• SIM Cards Volume
• Initial Volume: 22 Million
• MoM Volume : 150,000
• Current Volume: 40 Million
• Network
Indicators
• 2G
• 3G
• HLR
• GHLR4 (2G)
• GHPRD (2G)
• GHSBH (2G)
• GHSWK (2G)
• SIM Card Types
• 32K SIM
• 64k USIM
• 64K USIM MICRO
• 64K USIM NANO
• 128K SIM
• 8K SIM
• 16K SIM
• 256K SIM
• 256K USIM
• 1M USIM
• 64K USIM MICRO 3 IN 1
• 64K USIM MICRO 2 IN 1
• 64K SIM
• GHLR4 (3G)
• GHPRD (3G)
• GHSBH (3G)
• GHSWK (3G)

5. SIM Card Management Operations
• Generate Blank SIM Cards
• Retrieve SIM Card Details
• Provision / Deprovision Starter Packs
• Extend SIM Card Expiry

6. TN-SIM Card Management Operations
• Creation of SIM Pairing with Telephone Number
• Association of SIM Card Batch with Telephone Number
• Disassociation of SIM Card Batch from Telephone Number
• Perform SIM Card Change
• Perform Bulk Number Pairing

7. High level Architecture
• Creation of SIM Pairing with Telephone Number
• Association of SIM Card Batch with Telephone Number
• Disassociation of SIM Card Batch from Telephone Number
• Perform SIM Card Change
• Perform Bulk Number Pairing