Arlington, VA The Telecommunications Industry Association (TIA), a standards developing organization that represents the manufacturers and suppliers of global communications networks, today invited the public to participate in the development and advancement of intersystem core networks standard for mobile phone roaming.

TIAs subcommittee on Mobile and Personal Communications - Core Networks (TR-45.8) has developed the below standards and opened them once again for public review. The subcommittees focus is on developing performance, compatibility and inter-operability standards for equipment supporting wireless packet data that is independent from a system that supports any combination of public, non-public or residential mobile and personal communications. The subcommittee members develop circuit-switched core network, packet data core network and multimedia core network standards. These standards pertain to service definition and network interface standards to promote interoperability and intersystem operations, for interfaces between those network elements that comprise the infrastructure, in support of seamless service to wireless subscribers, other mobile and personal communication network systems, auxiliary systems, and to other networks. TR-45.8 is also developing standards pertaining to regional regulatory capabilities.

The following standards are open for public review and comment until June 25.

TIA-41.321-E [E] Mobile Application Part (MAP) - VOICE FEATURE SCENARIOS: CALL DELIVERY

TIA-41.324-E [E] Mobile Application Part (MAP) - VOICE FEATURE SCENARIOS: CALLING NUMBER IDENTIFICATION PRESENTATION, CALLING NUMBER IDENTIFICATION RESTRICTION

TIA-41.325-E Mobile Application Part: Voice Feature Scenarios: Conference Calling

TIA-41.326-E Mobile Application Part (MAP) - Voice Feature Scenarios: Do Not Disturb

TIA-41.327-E Mobile Application Part: Voice Feature Scenarios: Flexible Alerting

TIA-41.328-E Mobile Application Part (MAP) Voice Feature Scenarios: Mobile Access Hunting

TIA-41.328-E-1[E] Mobile Application Part (MAP) Voice Feature Scenarios: Mobile Access Hunting

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TIA Invites Commentary on New Mobile Phone Roaming Standards