Sökning: "Ebby Wiselyn Jeyapaul"

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  1. 1. GSM Voice Mail Service TDM Call Control

    Master-uppsats, Institutionen för informationsteknologi

    Författare :Ebby Wiselyn Jeyapaul; [2012]
    Nyckelord :;

    Sammanfattning : The Voice Mail Service (VMS) enables forwarding of calls to a dedicated Voice Mail Server (VMS) on behalf of the call receiving subscriber during certain conditions such as 'busy subscriber', 'no answer', 'always', etc. The standardization forum 3GPP has specified the Global System for Mobile communication (GSM) while the standardization forum ITU-T has specified the Integrated Services Digital Networks  (ISDN) User Part (ISUP) call control protocol. LÄS MER