 System and method for power control calibration and a wireless communication device |
| OF THE PREFERRED EMBODIMENTS The presently disclosed subject matter is directed to a technique to ... |
|
| Location dependent services |
| Embodiments of the present invention aim to address one or several of the above problems. According ... |
|
| Call processing system with call screening |
| For many years the telephone system in general has known certain information about the phone from ... |
|
| Communications device within a doll |
| The device according to the invention is a doll-like communications device constructed on a digital ... |
|
| Establishing a communication link |
| This objective is achieved by a method and devices having the features of the independent claims. T... |
|
| Method and apparatus of providing audio feedback over a digital channel |
| The present invention is a novel apparatus and method of providing the ability to audibly monitor ... |
|
| Data transfer device for a portable telephone |
| An object of the present invention is to provide a data transfer device for a portable telephone ... |
|
| Method and devices for transmitting short messages |
| To solve the above-mentioned problem or at least to mitigate it, a mobile station has been invented,... |
|
| Method and apparatus for transmitting data to a pager in a communications system |
| It is one object of the present invention to provide an improved data processing system. It is ... |
|
|
Call set-up control with automatic recall if busy subscriber
| Details |
Inventors: Spinner, Arno;
Assignee: Telefonaktiebolaget LM Ericsson (publ) (Stockholm, SE)
Primary Examiner: Tran; Sinh
Assistant Examiner: Ramos-Feliciano; Eliseo
Attorney, Agent or Firm: Nixon & Vanderhye P.C.
The invention relates to a control apparatus (AGNT), a telecommunication system (SYS), a control method and a subscriber station (SS1, TE, MT; SS2, TE, MT; SS3, TE, MT) wherein a call set-up request issued by a first subscriber station (SS1) is blocked from a transfer to a telecommunication network (NET) as long as the second subscriber station (SS2) to which a call should be set-up is in a busy state. The control apparatus (AGNT) only transfers the call set-up request to the exchange means (MSC/VLR, GMSC, HLR) of the telecommunication network (NET) when the called second subscriber station (SS2) changes from a busy state into an idle state. Thus, the network resources are not occupied by call set-up requests which would be rejected due to the second subscriber station (SS2) being in a busy state. The invention is particularly advantageous when the calling subscriber station (SS1) uses a re-dial function to repeat a call set-up request. After several retries further retries will be blocked and the call will only be set-up when the second subscriber station becomes free. A particular advantageous application of the invention is to combine the blocking of call set-up requests by the control apparatus (AGNT) with a CCBS service implemented in the network (NET). |
|
DETAILED DESCRIPTION As is seen from FIGS.
7a, 7b, the first subscriber station may activate a CCBS function within the network NET which partly reduces the problem of repeated call set-up requests occupying resources of the exchange means within the telecommunication network NET.
That is, when a speech or data call is to be set up between the subscriber stations, the first subscriber station can wait until the CCBS recall message indicates that the second subscriber station has become available again.
However, this procedure does not remedy the problem that a repeated re-dial--which despite the activation of the CCBS function may be issued by the first subscriber station--will once again occupy resources in the telecommunication network.
Furthermore, the first subscriber station might ignore the possibility to use CCBS (which is most probably be charged for) and go on to use the re-dial functionality (which may not be charged and may only be limited by the number of available re-dials).
Therefore, the problem with the re-dialings occupying resources in the network still inherently exist even for the speech call despite the provision of the CCBS function.
Considering that first of all the CCBS function would be standardized for the speech calls issued from the mobile equipment MT, this means that the re-dial functionality and the CCBS function will not immediately be available for handling the important data calls as was described with respect to the subscriber station SS3 in FIG.
6.
That is, regarding the recall function and the CCBS activation function 3, 2 in FIGS.
7a, 7b, it is expected that all data applications/fax applications have to be upgraded as soon as the standard has been established.
This, in addition to the delayed standardization progress, contradicts an easy and fast introduction of the CCBS service in the field of data/fax services.
For example, so far no attempt is known to upgrade the commands "AT-transfer" and "AT-dial" (of the AT command set as was explained above with reference to FIG
|
| Related patents |
|
|
Service mobility and recovery in communication networks
The example embodiments are applicable for use with all types of cellular networks and local radio networks, including wireless local area networks (WLAN), and ...
|
|
|
Method and apparatus to maintain connectivity for mobile terminals in wireless and cellular communications systems
The present invention is directed to a system and method for controlling admission to a mobile communications system, which allows mobile platforms each supporting any ...
|
|
|
Apparatus and method for signal strength compensation of highly time-variant mobile radio channels and reception unit for mobile radio transmission
It is accordingly an object of the invention to provide an apparatus and a method for signal strength compensation of highly time-variant mobile radio channels and ...
|
|
|
Method for increasing the voice recognition rate of a voice recognition calling device
An object of the present invention is to provide a voice processing method which can increase the voice recognition rate in a voice recognition calling device to allow ...
|
|
|
Method and apparatus for managing voice registration entries of voice recognition apparatus for use in both handset and hands-free kit
It is therefore an object of the present invention to provide a method and apparatus for managing voice registration entries such that a voice registration entry for a ...
|
|
|
Method for controlling beam formation in a mobile radio communication system and a base station therefor
OF THE INVENTION FIG. 3 shows a mobile station MS at the boundary between two radio cells C1, C2 of a mobile radio communication system. The radio cells C1, C2 are ...
|
|
|
Graphics and variable presence architectures in wireless communication networks, mobile handsets and methods therefor
OF THE INVENTIONS The inventions relate generally to enhanced or to enhancing presence services, including presence services for wireless subscribers, by providing ...
|
|
|
Auto-play musical instrument with a chain-play mode for a plurality of demonstration tones
It is an object of the present invention to provide an auto-play apparatus which can quickly start a continuous auto-play of a plurality of music pieces by an easy ...
|
|
|
Detection of cloned communication units based on message contents
OF PREFERRED EMBODIMENT In overview, the present disclosure concerns communications systems that provide service to communications units or more specifically users ...
|
|
|
Position sense radio carry case apparatus and method of using same
OF THE PREFERRED EMBODIMENT Referring now to FIG. 1, a portable radio is shown generally at 10. The radio includes a housing 12 and various switches, buttons and ...
|
|
|
Ring Tones 
