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This is a unique 15-digit identifier given to each mobile subscriber and is stored on the Subscriber Identity Module (SIM). The IMSI consists of a MCC (Mobile Country Code), a MNC (Mobile Network Code) and a MSIN (Mobile Station Identification Number): • 3-digit MCC ties the SIM to a specific country • 3-digit MNC ti
code indicates that the serving office (Switch) utilized call processing capabilities of another office for some or all of the call. Also known as Service Assist. 129 Basic SDN Call Generally, this indicates some type of AIN (Advanced Intelligent Network) feature was used or requested, including call featu
This is a unique 15-digit identifier given to each mobile subscriber and is stored on the Subscriber Identity Module (SIM). The IMSI consists of a MCC (Mobile Country Code), a MNC (Mobile Network Code) and a MSIN (Mobile Station Identification Number): • 3-digit MCC ties the SIM to a specific country • 3-digit MNC ti
code indicates that the serving office (Switch) utilized call processing capabilities of another office for some or all of the call. Also known as Service Assist. 129 Basic SDN Call Generally, this indicates some type of AIN (Advanced Intelligent Network) feature was used or requested, including call featu
This is a unique 15-digit identifier given to each mobile subscriber and is stored on the Subscriber Identity Module (SIM). The IMSI consists of a MCC (Mobile Country Code), a MNC (Mobile Network Code) and a MSIN (Mobile Station Identification Number): • 3-digit MCC ties the SIM to a specific country • 3-digit MNC ti
code indicates that the serving office (Switch) utilized call processing capabilities of another office for some or all of the call. Also known as Service Assist. 129 Basic SDN Call Generally, this indicates some type of AIN (Advanced Intelligent Network) feature was used or requested, including call featu
This is a unique 15-digit identifier given to each mobile subscriber and is stored on the Subscriber Identity Module (SIM). The IMSI consists of a MCC (Mobile Country Code), a MNC (Mobile Network Code) and a MSIN (Mobile Station Identification Number): • 3-digit MCC ties the SIM to a specific country • 3-digit MNC ti
code indicates that the serving office (Switch) utilized call processing capabilities of another office for some or all of the call. Also known as Service Assist. 129 Basic SDN Call Generally, this indicates some type of AIN (Advanced Intelligent Network) feature was used or requested, including call featu
Entities connected to both MCC (Mobile Country Code and Service Assist
OSO Recording/HICAP
ORGANIZATIONEast-West
ORGANIZATION
Mobile
LOCATIONAT&T Records
ORGANIZATIONDenotes
ORGANIZATIONInternational Mobile
ORGANIZATIONMobile Originating (MO
ORGANIZATIONMobile Terminating
ORGANIZATIONCell Location
ORGANIZATIONG Network
ORGANIZATIONG Network Cell
ORGANIZATIONG Network Cell Site
ORGANIZATIONVoLTE
ORGANIZATIONIP Messaging
ORGANIZATIONAT&T FirstNet Device
ORGANIZATIONAIN - Advanced Intelligent Network
ORGANIZATIONAT&T Station
ORGANIZATIONConnecting Network Access
ORGANIZATION
Marriott
ORGANIZATIONOriginating Screening Office
ORGANIZATION