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ITU-T Q.765.1 (05/1998)

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Signalling system No. 7 – Application transport mechanism: Support of VPN applications with PSS1 information flows
This Recommendation describes the extensions for the support of the VPN applications over the public Network Node Interface (NNI). This application makes use of the Application Transport Mechanism described in Recommendation Q.765 for bearer related signalling, and the Transaction Capability (TCAP) for signalling involving no bearer. This Recommendation specifies the respective users (i.e. APM-user, TC-user) to support the PSS1 information flows continuity in VPN applications (Transparent transfer of PSS1 information flows between PINX entities). The public NNI provides transparency to the services of the private network.
Citation: https://handle.itu.int/11.1002/1000/4374
Series title: Q series: Switching and signalling, and associated measurements and tests
  Q.700-Q.799: Specifications of Signalling System No. 7
  Q.760-Q.769: ISDN user part
Approval date: 1998-05-15
Approval process:TAP
Status: In force
Maintenance responsibility: ITU-T Study Group 11
Further details: Patent statement(s)