| 摘要 |
A method of initiating a call from a device executing a client program via an access network is provided. The method comprises providing a network node with information associated with the device, receiving from the network node an indication of whether at least one access number for accessing the access network is available, wherein the availability of the access number is based on the information associated with the device, and selectively enabling an input means to receive a selection signal from a user of said device to initiate the call using the access number, wherein the input means is only enabled if it is indicated that the access number is available.
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