Wide area centrex toll with novel translation

Details Wide area centrex toll with novel translation Wide area centrex toll with novel translation

H - Electricity

04

M

H04M 3/42 (2006.01) H04Q 3/52 (2006.01) H04Q 3/60 (2006.01)

Patent

CA 2165495

A method of providing multi-switch business group (MBG) services at each of a plurality of locations is described. The MBG services can be provided for calls made from a calling party served by an originating switch at one location to a called party served by a terminating switch at a location serviced by an inter-exchange carrier (IEC). When the calling party goes off-hook, a determination is made of whether the call is made from a centrex line. Digits dialed by the calling party are then collected at the originating switch. A determination is then made of whether the dialed digits contain an access code indicative that the call is to be routed to one of the plurality of locations which is served by an IEC. If the call is to be routed via an IEC, the initial address message (IAM) required for the IEC call, is modified to include MBG service information. This will permit MBG services to be offered between the calling party and the called party over public CCS7 trunks routed via an IEC.

L'invention est une méthode servant à fournir des services MBG («Multi-Switch Business Group») à une pluralité d'emplacements. Ces services MBG peuvent être fournis pour des appels faits par un abonné demandeur desservi par un commutateur d'origine à un emplacement donné et destinés à un abonné demandé desservi par un commutateur terminal installé à un emplacement desservi par une société de télécommunication intercirconscription («IEC»). Quand l'abonné demandeur décroche son combiné, la méthode de l'invention détermine si l'appel est lancé sur une ligne Centrex. Les chiffres composés par l'abonné demandeur sont alors saisis au commutateur d'origine. La méthode détermine ensuite si ces chiffres contiennent un code d'accès indiquant que l'appel doit être acheminé à l'un des emplacements de la pluralité mentionnée qui est desservi par une IEC. Si tel est le cas, le message d'adressage initial requis alors est modifié pour y inclure des informations sur les services MBG. Ceci permet d'offrir ces services entre l'abonné demandeur et l'abonné demandé par l'intermédiaire de liaisons publiques CCS7 assurées par une IEC.

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