Callback when not engaged by means of automated redialling in communication networks
1 Assignment
0 Petitions
Accused Products
Abstract
The invention relates to a method of redialing in telecommunication networks for a call back when not engaged, whereby a caller carries out a call attempt to reach a callee, whereby the callee does not respond at firs. According to the invention, the callee may be reached without the caller having to continually undertake a further call attempt, whereby a radialling is automatically carried out by the relevant exchange within a given time window at given time periods and a connection to the callee is established should the same respond.
18 Citations
18 Claims
-
1-10. -10. Cancel
-
11. A method for redialing in telecommunications networks for a callback when not busy whereby a caller attempts a call to reach a called subscriber, wherein the called subscriber initially does not answer the call, whereby a redial is automatically performed at predetermined time intervals within a predetermined time window, comprising the steps of
initiating the automatic redial by a responsible exchange, wherein as soon as the called subscriber answers, the caller is signaled by a ring tone that the desired call has been set up.
-
15. The method for redialing in telecommunications networks for a callback when not busy, whereby a caller attempts a call to reach a called subscriber, wherein the called subscriber initially does not answer the call, whereby a redial is automatically performed at predetermined time intervals within a predetermined time window, comprising he steps of
initiating the automatic redial is initiated by a terminal of the caller, wherein as soon as the called subscriber answers, the caller is signaled by a ring tone that the desired call has been set up.
-
17. A device for redialing in telecommunications networks for a callback when not busy whereby a caller attempts a call to reach a called subscriber, wherein the called subscriber initially does not answer the call, whereby a redial is automatically performed at predetermined time intervals within a predetermined time window, the device comprises
means for intermediately storing the telephone number of the called subscriber and the telephone number of the caller during a predetermined time window, and means for automatically carrying out a redial at predetermined time intervals within the predetermined time window, whereby the means for intermediately storing the telephone numbers and for automatically carrying out the redial at the responsible exchange.
-
18. A device for redialing in telecommunications networks for a callback when not busy whereby a caller attempts a call to reach a called subscriber, wherein the called subscriber initially does not answer the call, whereby a redial is automatically performed at predetermined time intervals within a predetermined time window, the device comprises
means for intermediately storing the telephone number of the called subscriber and the telephone number of the caller during a predetermined time window, and means for automatically carrying out a redial at predetermined time intervals within the predetermined time window,
Specification