Lucent Technologies Inc.

At&t Bell Laboratories

Other

At+t Corp.

Alcatel-lucent USA Inc.

American Telephone & Telegraph Co., At&t Bell Laboratories

Gilbert Mark Stewart

Bernard G Ruel

James L Turner

Kathleen C Whildin

Barry L Posterick

Patrick K Brady

William J Krauss

Cecilia S Chen

Thomas J Pieper

Aruna Thirunagari

A method and system in a routing network sends a request for the performance of a task from an originating node in a routing system to nodes having an interface connection with the originating node. Upon receiving a response to the request from the one or more nodes, one or more of the nodes is selected to perform the task. Any node included in the network can comprise an originating node, and the steps of sending and selecting are performed substantially automatically. A preferential order of nodes automatically and dynamically maintained in dependence on the performance of task(s) by the nodes.

Decoupled routing network method and system

A method is provided for transmission of packets ( ) as a sequence of data packets ( ). A redundancy or check word ( ) is composed for each packet of the sequence of data packets. A transmission packet is composed of a packet, a check word of a prior packet in the sequence of packets, and a check word of a subsequent packet in the sequence of packets. The transmission packets are transmitted in a sequence and received in a sequence. After reception, the transmission packets are separated so that the packets are compared with the corresponding check words transmitted with adjacent packets in the sequence.

Method for packet transmission with error detection codes

This invention relates to arrangements for eliminating loop-around trunks for operational calls. Such trunks are used when a single switch performs two distinct functions, such as local service and operator assistant service. In order to simplify software, the software for each of these functions is designed separately; in the prior art, if both functions are needed, two separate connections are established and are joined by the use of a loop-around trunk. In accordance with Applicant's invention, the loop-around trunk is eliminated by initially establishing a connection from a real time-slot to a virtual time-slot for the first function and from a virtual time-slot to a real time-slot for the second function; the real time-slots for receiving the call and for transmitting the call to an inter-office trunk are then connected in the switch without requiring the use of a separate loop-around trunk.

Elimination of operational loop-around trunks

This invention is generally directed to minimizing the disruption of subscriber selectable features during the transfer of subscriber lines from a first line unit equipment to a second line unit equipment associated with a telecommunications switch. A second data assignment table which is based on a first data assignment table is utilized in conjunction with a digital telecommunications switch to facilitate an improved service transition when subscriber lines are to be transferred from a first type of line unit equipment to a second type of line unit equipment. The data assignment tables contain for each telephone number an identification of a line unit address utilized to support that telephone number and corresponding parameters which identify which customer selectable features are active. The second data table duplicates the parameter defining features in existence in the first table as of the time of creation of the second table, but substitutes different line unit addresses corresponding to the new line unit equipment for each telephone number to be supported. Upon a physical transition to the new equipment, the second data table is activated so that upon a resumption of service customers will have access to previously defined features as defined in the second table.

Intraswitch transition to new line support equipment

This invention relates to arrangements for simplifying the transfer of a source of telecommunications signals, such as a telecommunications customer line or telecommunications trunk, from a first port of a switching system to a second port of that same switching system. Such a transfer requires a transfer of a connection in the outside plant, usually in a manhole, and establishment of a connection from the outside plant to the second port, usually in a distributing frame of the switching system. Translation data is stored for the second port to indicate availability of the second port for assignment to a customer, and, in one embodiment of the invention, to identify the customer to be connected to that second port. In accordance with that embodiment of the invention, the customer line to the first port is tested in the manhole to verify the identity of that customer; the line to the second port is tested to see if the translation data for that second port comprises the same customer identification. If so, a request to assign the translation data for that customer to the second port is then transmitted from the manhole. In response to an acknowledgment that the translation data has been so assigned, the customer's line is transferred to the second port. Advantageously, the translation data can be stored and a connection to the second port can be established ahead of time in the switching system, and the transfer of the line can be carried out by one individual in the manhole without requiring the cooperation of other craft in the switching system.

Telecommunications service provision equipment transfer

A packet network test arrangement where a test packet is transmitted from a test source to a test destination via successive nodes of the packet network. Any node that fails to receive acknowledgement within a predetermined time of transmitting the test packet to a subsequent node responds by transmitting information to the test source concerning the failure and particularly defining the involved nodes. Accordingly, a single test can be used advantageously both to detect faults and to localize such faults between two network nodes. The test arrangement also provides for the loop-around of test packets received at the test destination thus enabling the test source to verify successful packet communications.

Arrangement for testing packet switching networks

A test arrangement and method for use prior to the replacement of a first switching system serving a plurality of subscriber lines via a digital carrier facility and via a remote terminal, by a second switching system, where facility interface equipment of the second system is bridged directly onto the digital facility to allow monitoring of digital signatures transmitted from the remote terminal during the continued, uninterrupted operation of the first system. A pair gain test controller of the first system is advantageously used by the second system to control the generation of such digital signatures to verify the consistency of the translation databases of the two systems in associating directory numbers with subscriber lines.

Pre-cutover verification of switching system subscriber lines served via

A guide used in teaching where to hit an object ball with a cue ball such that the object ball is deposited in a pocket of a pool table includes a marker which dispenses a small spot of a marker substance on the felt surface of the pool table. The marker substance leaves a spot on the felt which indicates the exact point at which the cue ball must be aimed in order to have the cue ball correctly strike the object ball to propel the object ball into the pocket. The marking substance is such that it will not leave a stain. The marker includes a reservoir for retaining a supply of the marking substance and an orifice which is capable of dispensing a small quantity of marking substance. The marker is supported above the surface of the felt by a support which has at least one surface capable of fitting next to the object ball and this surface is located precisely a radius distance away from the orifice on the marker. The support is positioned next to the object ball and the cue ball shooting guide is lined up with the pocket such that when the marker spot is dispensed from the marker, the spot is correctly placed one cue ball radius distance away from a line which is tangent to the object ball and passes through both the center of the object ball and the pocket.

Growing community of inventors

Naperville, IL, United States of America

Gilbert Mark Stewart