MSN (Multiple Subscriber Number)

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MSN (Multiple Subscriber Number)
Functional description
If the ISDN BRI is used as trunk by connecting it with Point to Multi-Pointer mode, the function can terminate up to 8 numbers, which is not matched with the system numbering plan that is contained in the called party number from the remote station for call setup, to the extension subscriber number, calling group representation number and external subscriber number.
Operating procedure
Service conditions

The related line should be designated as the MSN subscriber.

If only the first B line out of 2B is designated for the function, the MSN termination designation is used for both of 2B.

If the MSN termination and DIL termination are simultaneously produced in the identical line, the DIL termination has the precedence over the MSN for service.

The line that is designated as MSN automatically operates with Point to Multi-Point Mode.

The station MSN (Network Mode) is not supported.

It is not possible to use the same trunk simultaneously with MSN and Sub Address modes.

Data generation
Trunk designation to be used with MSN mode

[4.1 trunk information – Trunk Option ⇒ 19.ISDN BRI MSN Use]

MSN termination designation

[7.3 MSN/Sub Address Destination Assign]

Service Assign per Day/Night Mode for Abnormal IC trunk Call

[4.10 Trunk Route Base IC Day/Night Option]

Interactions