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IP Address Allocation to Mobile Handsets

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  • #52463 Reply
    Ranga Thittai
    Guest

    Are there any rules for Dynamic IP Address Allocation to Mobile Handsets

    When a data session is established by a mobile phone, the GGSN assigns an internal IP address to the mobile terminal (cell phone). But do Service Providers further control how the IP addresses get assigned – for example, dedicate a certain range for each Routing Area (RA). Or dedicate a certain range for each phone model ….

    #52464 Reply
    grillman
    Guest

    yes ı will ask same question but Ranga Asked ,ı want that How can make IP prosedure on the gsm.
    thanks everybody.

    #52465 Reply
    John
    Guest

    IP addesses allocation for mobile phones follow same principles as for any other fixed private IP networks (e.g. any corporate); Service Provides allocates IP address only for Access Points outside of GGSN.

    #52466 Reply
    pix
    Guest

    yes, as john said, there is usually a range of IP ADDRESSES per type of subscription (a.k.a “APN”)
    you can check your apn in your phone GPRS settings.

    regards,
    pix

    #52467 Reply
    Sam
    Guest

    To elaborate, if a carrier is rather big and if they have more than 1 GGSN and if they are located in different areas, it depends on what SGSN’s are pointed to the particular GGSN in the DNS. If you have SGSN group A pointed to GGSN group A and SGSN group B point to GGSN B, then the SGSN group A will only assign the mobile pool for a specific APN as per what is configured in GGSN A. In this case, it is what IP the mobile picks up on is not dependent of the RA but rather the SGSN that it ultimately is served by. Hope this helps.

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