Interconnect User Part
Interconnect User Part (IUP) is a national specific Signaling System 7 protocol for interconnect between public telephone networks in the United Kingdom. This protocol was formerly known as BTNUP.
It is specified in document PNO-ISC/SPEC/006 which is published by the [http://www.niccstandards.org.uk/ NICC] as [http://www.niccstandards.org.uk/files/current/nd1006_2007_05.pdf?type=pdf ND1006:2007/05] {{Webarchive|url=https://web.archive.org/web/20140502180700/http://www.niccstandards.org.uk/files/current/nd1006_2007_05.pdf?type=pdf |date=2014-05-02 }}.
Category:Integrated Services Digital Network
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