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IMSI...what is it?
International Mobile Subscriber Identity or IMSI / mziˈɪ ː/ is used to 
identify the user of a mobile network and is unique
•It is sent by the phone to the network for transfer of information and is 
stored as a 64 bit field.
• 
•It also gets information and details from the network onto the mobile 
via a HLR (Home Location Register) when on its own network or is 
copied when roaming 
•IMSI’s are a 15 digit long number, but can be shorter:
– MTN South Africa's old IMSIs are 14 
First 3 digits are the mobile country code (MCC), 
Then it’s the mobile network code (MNC), either 2 digits EU or or 3 digits US 
Finally you have the mobile subscription identification number (MSIN)
IMSI:404685505601234
MCC404India
MNC68MTNLDelhi
MSIN5505601234
IMSI:310150123456789
MCC310USA
MNC150AT&TMobility
MSIN123456789
IMSI:4600013511078690
MCC460CHINA
MNC00CMCC
MSIN13511078690
IMSI:470010181566423
MCC470Bangladesh
MNC01Grameenphone
MSIN0181566423
What do the Numbers Mean?
Check your IMSI
https://www.numberingplans.
com/?
page=analysis&sub=imsinr
This application allows subscribers to make use of two or more lines (IMSI
numbers) without having to purchase more than one SIM Card.
For example the subscriber can hold a business IMSI and a personal IMSI on
the same SIM Card, or this feature also allows prepaid/ postpaid swapping
features on a single SIM card.
ADVANTAGES:
•It could prevent subscribers from having a personal SIM Card with one network
and a business SIM Card with another network or vice versa.
•The network Operator could for example offer subscribers a multi IMSI card
which will keep all the subscriber’s business (both personal and business)
within their own network.
•Subscribers would only need to purchase one phone whilst still having the
luxury of having two IMSI numbers.
•Roaming costs could be reduced as partner networks (preferential rates) could
be selected
Dual/Multi IMSI
Single IMSI V Multi IMSI
• Domestic Mobile Network Operators (MNO) usually provide Single
Network SIM cards (aka Single-IMSI).
• A Single Network GSM Connectivity service allows to connect to a
single network per country.
• BUT…depending on the national and international roaming
agreements, the same SIM cards may be able to connect to multiple
MNOs when roaming in a different country or even at the original
country (e.g., Free Mobile subscribers can connect to the O2 network in
United Kingdom ).
The Joint IMSI Solution
UK and PAKSTAN SIM
The Joint IMSI is a revolutionary technology enabling mobile operators to
allow their subscribers to use their own local SIM card anywhere between
the UK and Pakistan for less then regular tariffs cost
•Multiple IMSI - UK and Pakistan mobile operators on one SIM.
•Travellers just need to turn their mobiles on and our system will
automatically select the available IMSI having the lowest rate for this
destination.
•Once connected to the designated network, subscribers will be able to roam
at reduced rates! With either numbers of Pakistan number or UK
Customers will enjoy the widest network and coverage of two countries in
the world
Benefits for Mobile Operators & Users
• UK and Pakistan number on same SIM
• Offer attractive package to both networks – EG: prepaid subscribers at
almost local rates in both countries without roaming charges while
subscribers are travelling
• Widen coverage for subscribers for both network
• Increase your traffic by attracting your competitors subscribers
• All UK Tourist traffic be on you network while staying in Pakistan (Approx
over 500000 people travelling from Briton to Pakistan every year
• Even local subscribers be more exited to have UK number on their Pakistan
network SIM
• Extra revenue can be generated by fix fee per month for having both
number on same SIM
• Increase extra subscribers on your network having both IMSI
Top Up’s
• Can be used in both countries
• Can be billed against UK IMSI (topped up in the UK)
and used in both countries (balances switched)
• Can have the options to have two top account UK &
Pakistan
• If one runs out of credit, as long as the other one has
credit it will still work..
Business User Benefits
•When in the UK: subscribers will use UK IMSI
•When in Pakistan: switch to Pakistan IMSI
•If any caller make call from Pakistan or from UK to call Pakistan
number (IMSI) then subscribers in UK or in Pakistan will be able to
answer from either number from either countries
•Business’ can have a signature UK number, to expand their business
internationally
•More business subscribers on your network
Benefits of Multi IMSI
• Coverage. Access to multiple Pakistan and United Kingdom networks
increases the overall network coverage within the regions that they
operate
• Redundancy. Multi-IMSI SIM cards increase the redundancy of the
network at multiple levels (e.g. radio access, operator interconnection
and core network). If for some reason, one operator or one subscription
fails, the SIM card will try and connect through other operators and using
other subscriptions.
• Quality. A Multi-IMSI SIM card can more easily be steered to connect to
a different network,
• For example if current network has an unusual high latency
forwarding traffic, has bandwidth issues or is throttling traffic (e.g.,
network overloaded due to a local promotion to its subscribers), the
Joint-IMSI SIM card can be configured over the air to connect to an
alternative network.
The Cost Benefits….
• Multiple subscriptions (i.e., IMSIs), mean the ability to be
configured to use the IMSIs that provide a lower cost and
that cost savings can be transferred from the operator
providing the SIM card to its customer.
• This lowers the cost compared the users domestic GSM
provider.

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Uk pakistan imsi (1)

  • 1. IMSI...what is it? International Mobile Subscriber Identity or IMSI / mziˈɪ ː/ is used to  identify the user of a mobile network and is unique •It is sent by the phone to the network for transfer of information and is  stored as a 64 bit field. •  •It also gets information and details from the network onto the mobile  via a HLR (Home Location Register) when on its own network or is  copied when roaming  •IMSI’s are a 15 digit long number, but can be shorter: – MTN South Africa's old IMSIs are 14 
  • 4. This application allows subscribers to make use of two or more lines (IMSI numbers) without having to purchase more than one SIM Card. For example the subscriber can hold a business IMSI and a personal IMSI on the same SIM Card, or this feature also allows prepaid/ postpaid swapping features on a single SIM card. ADVANTAGES: •It could prevent subscribers from having a personal SIM Card with one network and a business SIM Card with another network or vice versa. •The network Operator could for example offer subscribers a multi IMSI card which will keep all the subscriber’s business (both personal and business) within their own network. •Subscribers would only need to purchase one phone whilst still having the luxury of having two IMSI numbers. •Roaming costs could be reduced as partner networks (preferential rates) could be selected Dual/Multi IMSI
  • 5. Single IMSI V Multi IMSI • Domestic Mobile Network Operators (MNO) usually provide Single Network SIM cards (aka Single-IMSI). • A Single Network GSM Connectivity service allows to connect to a single network per country. • BUT…depending on the national and international roaming agreements, the same SIM cards may be able to connect to multiple MNOs when roaming in a different country or even at the original country (e.g., Free Mobile subscribers can connect to the O2 network in United Kingdom ).
  • 6. The Joint IMSI Solution UK and PAKSTAN SIM The Joint IMSI is a revolutionary technology enabling mobile operators to allow their subscribers to use their own local SIM card anywhere between the UK and Pakistan for less then regular tariffs cost •Multiple IMSI - UK and Pakistan mobile operators on one SIM. •Travellers just need to turn their mobiles on and our system will automatically select the available IMSI having the lowest rate for this destination. •Once connected to the designated network, subscribers will be able to roam at reduced rates! With either numbers of Pakistan number or UK Customers will enjoy the widest network and coverage of two countries in the world
  • 7. Benefits for Mobile Operators & Users • UK and Pakistan number on same SIM • Offer attractive package to both networks – EG: prepaid subscribers at almost local rates in both countries without roaming charges while subscribers are travelling • Widen coverage for subscribers for both network • Increase your traffic by attracting your competitors subscribers • All UK Tourist traffic be on you network while staying in Pakistan (Approx over 500000 people travelling from Briton to Pakistan every year • Even local subscribers be more exited to have UK number on their Pakistan network SIM • Extra revenue can be generated by fix fee per month for having both number on same SIM • Increase extra subscribers on your network having both IMSI
  • 8. Top Up’s • Can be used in both countries • Can be billed against UK IMSI (topped up in the UK) and used in both countries (balances switched) • Can have the options to have two top account UK & Pakistan • If one runs out of credit, as long as the other one has credit it will still work..
  • 9. Business User Benefits •When in the UK: subscribers will use UK IMSI •When in Pakistan: switch to Pakistan IMSI •If any caller make call from Pakistan or from UK to call Pakistan number (IMSI) then subscribers in UK or in Pakistan will be able to answer from either number from either countries •Business’ can have a signature UK number, to expand their business internationally •More business subscribers on your network
  • 10. Benefits of Multi IMSI • Coverage. Access to multiple Pakistan and United Kingdom networks increases the overall network coverage within the regions that they operate • Redundancy. Multi-IMSI SIM cards increase the redundancy of the network at multiple levels (e.g. radio access, operator interconnection and core network). If for some reason, one operator or one subscription fails, the SIM card will try and connect through other operators and using other subscriptions. • Quality. A Multi-IMSI SIM card can more easily be steered to connect to a different network, • For example if current network has an unusual high latency forwarding traffic, has bandwidth issues or is throttling traffic (e.g., network overloaded due to a local promotion to its subscribers), the Joint-IMSI SIM card can be configured over the air to connect to an alternative network.
  • 11. The Cost Benefits…. • Multiple subscriptions (i.e., IMSIs), mean the ability to be configured to use the IMSIs that provide a lower cost and that cost savings can be transferred from the operator providing the SIM card to its customer. • This lowers the cost compared the users domestic GSM provider.