| 摘要 |
Procedure for scanning a module line or time slot in a V5 access node connected to a local exchange via a V5 interface and with a number of subscribers connected to it via a concentrating link, in which procedure a time slot in the V5 interface is scanned by transmitting by means of the part of the BCC protocol associated with the local exchange a scanning message to the part of the BCC protocol associated with the V5 access node, which latter protocol part acknowledges receipt of the scanning message. According the the present invention, before receipt of the scanning message is acknowledged, the concentrating subscriber interface is scanned to find in it a free module line or time slot for the call and the free module line or time slot is specified.
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