ISUP for International Interconnections

Alaul Diamond Medal

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7 years 10 months ago View: 2878 Reply: 7

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The MSOFTX3000 supports the interworking with international gateway offices of other countries on the international signaling network through the ISUP signaling for international interconnections. Therefore, international calls of subscribers of a mobile carrier do not need to pass through other international gateway offices in the home country, such as the international gateway offices of fixed network carriers.

Through this function, the MSOFTX3000 supports:

ISUP signaling for international interconnections and the interworking between the international and the national ISUP signaling for the basic call service and supplementary services.
Conversion of numbers in the international format and numbers in the national format, such as calling numbers and general numbers

This function complies with ITU-T Q.767, Q.764, and Q.850.

Implemented node: GMSC, IGW, LDI

Served network : GSM, UMTS, PSTN, and IMS

Service benefits:

The MSC of mobile carriers can directly interwork with international gateway offices of other countries through the ISUP signaling for international interconnections. Therefore, the transfer through other international gateway offices in the home country is not required.

Requirements for peripheral network entities:

The peer equipment must also support the international ISUP signaling.

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Armetta Diamond
7 years 10 months ago

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This document is very well done

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zsiddique Platinum
7 years 10 months ago

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Good one for sharing.

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zsiddique Platinum
7 years 10 months ago

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What is LDI?

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abrahim Diamond
7 years 10 months ago

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LDI is Long Distance Interconnect. It is like IGW

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abrahim Diamond
7 years 10 months ago

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Q.850 meanings:

Q.850;cause=21;text="Call rejected"
Q.850;cause=29;text="Facility rejected"
Q.850;cause=49;text="Quality of Service not available"
Q.850;cause=50;text="Requested facility not subscribed"
Q.850;cause=53;text="Outgoing calls barred within CUG"
Q.850;cause=55;text="Incoming calls barred within CUG"
Q.850;cause=62;text="Inconsistency in designated outgoing access information and subscriber class"
Q.850;cause=63;text="Service or option not available, unspecified"
Q.850;cause=66;text="Channel type not implemented"
Q.850;cause=69;text="Requested facility not implemented"
Q.850;cause=70;text="Only restricted digital information bearer capability is available"
Q.850;cause=79;text="Service or option not implemented, unspecified"
Q.850;cause=88;text="Incompatible destination"
Q.850;cause=57;text="Bearer capability not authorized"
Q.850;cause=65;text="Bearer capability not implemented"
Q.850;cause=97;text="Message type non-existent or not implemented"
Q.850;cause=58;text="Bearer capability not presently available"
Q.850;cause=87;text="User not member of CUG"

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benjamin.omeke Diamond
7 years 10 months ago

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Thanks and useful.

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