ISO/IEC 15430:1999 PDF

Overview

ISO/IEC 15430:1999 defines Wireless Terminal call-handling additional network features for Private Integrated Services Networks (PISN). The standard specifies two features: ANF‑WTMI (Wireless Terminal Incoming call) and ANF‑WTMO (Wireless Terminal Outgoing call). It provides stage 1 (service view) and stage 2 (functional model and information flows) specifications to enable routing and control of incoming and outgoing calls for mobile or nomadic wireless terminals within a PISN.

Key topics and technical requirements

• Scope: Applies to basic services in PISNs (see ISO/IEC 11574).
• ANF‑WTMI: Directs incoming calls to a WTMI user anywhere in the PISN when the user’s location is known. Requires a maintained mapping of user location to PISN access address.
• ANF‑WTMO: Detects outgoing calls from a WTMO user, establishes them as basic calls regardless of geographical location, and supplies the WTMO user’s service profile for outgoing call control or forwards the call to the user’s home location for processing.
• Service stages: Contains stage 1 (clauses 6–7) describing the service as seen by users and stage 2 (clauses 8–9) detailing functional entities and information flows.
• Functional entities & flows: References Call Control (CC), Call Control Agent (CCA), Home/Visitor PINX, Home Data Base (HDB), Visitor Data Base (VDB) and information flows (e.g., SETUP, RELEASE). Stage 2 defines behaviour, actions, and allocation of FEs to equipment.
• Interactions: Specifies interactions with supplementary services; for example, Call Forwarding Unconditional (SS‑CFU) takes precedence over ANF‑WTMI. Many common supplementary services have no interaction.
• Conformance: To claim conformance a stage 3 specification (signalling protocols and equipment behaviour) must support the relevant stage 1 and 2 aspects.

Practical applications and users

• Enterprise telephony / PBX vendors: Implement mobility-aware call routing and outgoing-call handling for wireless handsets in private networks.
• System integrators and telecom engineers: Design and configure PISN exchanges (PINX) supporting wireless terminal mobility and location-based routing.
• Network architects: Model functional entities, deploy HDB/VDB mechanisms, and design inter-PINX information flows.
• Standards developers and test labs: Use the stage 1/2 definitions as the basis for developing stage 3 signalling protocols and conformance tests.

Related standards

• ISO/IEC 11574 (basic services), ISO/IEC 11571 (numbering), ISO/IEC 11579‑1 (PINX reference), ISO/IEC 15428 (WT location / info exchange), ISO/IEC 15432 (WT authentication), ITU‑T I.130, I.210, Z.100.

Keywords: ISO/IEC 15430:1999, PISN, ANF‑WTMI, ANF‑WTMO, wireless terminal mobility, incoming call routing, outgoing call control, Call Control (CC), functional model, information flows.