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US 2001/0055374 A1Published application
Detection by a PBX of an incoming call started by a modem
AssigneeAlcatel
InventorXavier Penet
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AssigneeAlcatel
InventorXavier Penet
Estimating the term…
Detection by a PBX of an incoming call started by a modem The basic idea of the present invention consists of taking advantage of the compatibility of almost every modem to a specific protocol called AT or Hayes commands. According to the present invention, the AT-commands will be used to generate a code specifying that the far end telecommunications device which just dialed is a modem. Therefore, when the dialed telecommunications device is connected to a PBX, latter will have to recognize said code after which it will transfer automatically that call to this telecommunications device identified by the dialed extension phone number and being a modem. Then a telecommunications connection between both modem will be set up. Advantageously, it is then possible by using present invention to connect several different telecommunications devices on a PBX, all being identified by the same extension phone number like a telephone, a FAX and a modem. A PBX according to the present invention will be able to redirect automatically a call coming from a modem to a modem.
Set up method for a telecommunications connection between a far end modem and a near end modem, latter being connected to a private branch exchange (PBX), said set up method comprising the following steps:
Far end modem containing a programming code generating signals to set up a telecommunications connection with a near end modem, latter being connected to a private branch exchange (PBX), while said programming code is adapted to generate a signal specifying said far end modem as being a modem, characterized in that said signal being made of at least a code generated by AT or Hayes commands.
Private branch exchange (PBX) containing a detector for detecting a signal in an incoming call started by a far end modem after dialing a phone number identifying at least one near end telecommunications device connected to said PBX while said signal, specifying said far end modem as being a modem, being characterized in to be made of at least a code generated by AT or Hayes commands and said PBX being set such that a recognition of said signal by said PBX is enabled and automatically activates a transfer of said incoming call to said near end telecommunications device being a modem to build a telecommunications connection between both modems.
Dependencies are inferred from the claim text.