Providing advanced communications features

Details Providing advanced communications features Providing advanced communications features

H - Electricity

04

W

H04W 4/06 (2009.01) H04W 4/10 (2009.01) H04W 4/12 (2009.01)

Patent

CA 2494087

Advanced communications features are provided in a mobile communications network having at least one mobile switching center and at least one mobile station subsystem. The mobile switching center and mobile station subsystem each communicate signaling messages according to a mobile signaling protocol. An indication is received that a half-duplex mobile communications session is to be initiated between a first mobile station subsystem and a second mobile station subsystem. The first and second mobile station subsystems include full- duplex communications apparatus for use in full-duplex mobile communications sessions. The half-duplex mobile communications session relies on the first and second mobile station subsystems, and all of the reliance is only on the full-duplex communications apparatus. Mobile communications telephone calls are established with the first mobile station subsystem and the second mobile station subsystem. One of the first and second mobile station subsystems is selected as a voice signal source in the half-duplex communications session.

L'invention concerne la fourniture de caractéristiques de communications à hautes performances dans un réseau de communications mobile comprenant au moins un centre de commutation mobile et au moins un sous-système de station mobile. Le centre de commutation mobile et le sous-système de station mobile communiquent de manière indépendante des messages de signalisation selon un protocole de signalisation mobile. Une indication selon laquelle une session de communications mobile en demi-duplex doit être initiée entre un premier sous-système de station mobile et un second sous-système de station mobile est reçue. Les premier et second sous-systèmes de station mobile comprennent des appareils de communications en duplex à utiliser dans des sessions de communications mobile en duplex. La session de communications mobile en demi-duplex compte sur les premier et second sous-systèmes de station mobile, l'ensemble de la confiance étant placé uniquement dans l'appareil de communications en duplex. Des appels de téléphone de communications mobile sont établis avec le premier sous-système de station mobile et avec le second sous-système de station mobile. Un sous-système parmi les premier et second sous-systèmes de station mobile est sélectionné comme la source de signal vocal dans la session de communications en demi-duplex.

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