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DTM in GSM

Viewing 5 posts - 1 through 5 (of 5 total)
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  • #69495 Reply
    IRFAN
    Guest

    Hi ,

    I would like to clarify my one of the confusion that ” is this possible to have DTM in one of the network ,even without Gs interface and if it is, then how is it possible without Gs interface . Since Gs interface only works with NMO 1 ?

    #69496 Reply
    pix
    Guest

    hi,

    The DTM allows a MS to do a CS+PS transfer, in parallel.
    The Gs interface allows to page a MS which is in PS transfer.
    Those 2 features are totally independant. However, both are needed to allow this scenario :
    the MS is doing a PS transfer
    the MSC needs to page the MS because of an incoming call
    the CS Paging will go through the Gs interface
    the MS will then establish a DTM connection (CS+PS), allowing to keep the PS transfer and answer the call at the same time.
    Without Gs interface, the above-described scenario cannot take place :the CS PAging will be unanswered.

    regards

    #69497 Reply
    IRFAN
    Guest

    thanks for your reply Pix.

    But keeping in view your said scenario , how about if we don’t have Gs interface and let say we have NMO2 currently set in a network and we have also enabled BSS paging coordination through a parameter Called “EN_BSS_PAGING_COORDINATION”.

    Now would the said scenario possible with the setting i just mentioned.

    I think it would be , but correct me if i am wrong .

    Regards

    #69498 Reply
    pix
    Guest

    yes,

    BSS paging coordination replaces the Gs interface.

    regards

    #69499 Reply
    Pritam
    Guest

    Hi,

    Both PS and CS paging will take place via A-interface after implementing “BSS paging coordination”

Viewing 5 posts - 1 through 5 (of 5 total)
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