摘要:
A system and method for creating and implementing telecommunications services are disclosed. The system comprises a service development platform that includes a communications module, and application server, and at least one auxiliary module. The communications module enables data to be transmitted to and from the development platform to facilitate the implementation of telecommunications services. The application server can store a telecommunications service creation tool that can be used by an individual to generate code needed to implement the telecommunications service or that can automatically generate code needed to implement the telecommunications service. The application server can also store the code needed to implement the telecommunications service and can transmit data to and receive data from the communications module as necessary for implementing the telecommunications service. The auxiliary module can perform various functions and can be accessed by the application server in implementing the telecommunications service.
摘要:
Application-layer signaling of a packet data network, such as the Session Initiation Protocol (SIP), is used to communicate with an interworking interface between the packet data network and a circuit-switched network, particularly a public land mobile network (PLMN), wherein the interface converts the application-layer signaling of the packet data network to a control protocol utilized in the PLMN, wherein a private user identification is carried, for example, by means of a Session Description Protocol (SDP) within the application-layer signaling between the packet data network terminal and the interface, and wherein standardization of lower layers of the packet data network protocol stack is not required beyond that which is already defined. The interface between the packet data network and the circuit-switched network provides the private user identification to the circuit-switched network in the manner in which the circuit-switched network is accustomed.
摘要:
The pseudo-ternary S2m data stream consisting of a sequence of S2m frames (S2mR) is transposed into a binary data stream consisting of a sequence of binary frames (BR). The useful information contained in a binary frame (BR) is then separated from the binary frame (BR) and subsequently compressed. In a following step, the compressed useful information is combined with the uncompressed information of the binary frame (BR) to form a compressed binary frame (KBR). Finally, the compressed binary frames (KBR) are inserted into a transmission packet provided for transmission via the low-voltage network (NSN) and are forwarded to a transmission unit (UEE) for transmission via the low-voltage network (NSN).
摘要:
A method and system for processing a variety of outbound service calls initiated by a network adjunct platform (NAP) over a Small Scale Adjunct Primary Rate Interface (SSA PRI) in a telecommunications network on a call by call basis is disclosed. A outbound service subscriber triggers the NAP to initiate the desired outbound service call. The outbound service call may include, for example, a software defined network call (SDN), an AT&T Digital Link (ADL) call, or a Megacom call or other such suitable outbound service call. The NAP forwards set-up data based on the type of call desired to an originating toll switch (OTS) programmed to accept the set-up data from the NAP. After receipt of the set-up data, the OTS determines if the forwarded set-up data classifies the call as an outbound service call. If the forwarded set-up data contains outbound service parameters, the originating toll switch processes and routes the call initiated by the NAP as the appropriate outbound service call. The outbound service calls may include a local call, a long distance call or an international. The originating toll switch is also able to process and route non-outbound service or regular calls utilizing the same SSA PRI used for the appropriate outbound service calls. The need for separate dedicated trunk groups for each type of outbound service and for each subscriber of such service may be alleviated.
摘要:
In accordance with the invention, there is provided an automatic person-following system for a telephone switching machine having at least one 2-way DID trunk operative for receiving incoming and transmitting outgoing calls, a 3-way calling feature connectable to the trunk, a bank of data storage cells accessible from the DID trunk, each cell having storage capacity for storing at least one pre-recorded voice message, at least one incoming voice message, and at least one pre-recorded telephone number; signaling apparatus for signaling a hookswitch flash to the DID trunk, and dialing apparatus for dialing the pre-recorded telephone number to the DID-trunk after sending a hookswitch flash signal.
摘要:
An echo canceler is connected to an ISDN Primary Rate Interface. The echo canceler is provided with an activation processor for monitoring call control messages on the D-channel and for selectively enabling or disabling echo cancellation on any of the B-channels in response to information contained within the call control messages. In particular, the activation processor decides whether to enable cancellation depending upon the Information Transfer Capability and Protocol Identification fields of the Bearer Capability portion of a call SETUP message. Additionally, the Channel Identification field of the SETUP message is used to identify the B-channel or channels affected by the SETUP message. When a channel is released, the activation processor maintains enabled echo cancellation as the default condition of the released channel. Other signal processing functions can be controlled by the activation processor in a similar manner.
摘要:
In accordance with the invention, there is provided an automatic person-following system for a telephone switching machine having at least one 2-way DID trunk operative for receiving incoming and transmitting outgoing calls, a 3-way calling feature connectable to the trunk, a bank of data storage cells accessible from the DID trunk, each cell having storage capacity for storing at least one pre-recorded voice message, at least one incoming voice message, and at least one pre-recorded telephone number; signaling apparatus for signaling a hookswitch flash to the DID trunk, and dialing apparatus for dialing the pre-recorded telephone number to the DID-trunk after sending a hookswitch flash signal.
摘要:
An apparatus for processing telephone calls is connected between a primary rate ISDN (PRI) telephone line and a host computer. Telephone call data is transferred between the host computer and remote analog, basic rate ISDN (BRI) and/or PRI remote sites. The apparatus includes a digital signal processor that can run multiple signal processing sessions simultaneously and a control processor that can run multiple control processing sessions simultaneously. The apparatus can therefore process multiple telephone calls of one or more types simultaneously.
摘要:
An arrangement for adapting a PCM (pulse code modulation) switch to control and communicate with a CDMA (code division multiple access) cell site for communication the wireless CDMA stations that communicate with that cell site. A protocol converter converts between signals for controlling integrated services digital network (ISDN) stations and signals for controlling a cell site, so that the cell site operates as if it were being controlled by a wireless switching center and the switch acts as if it were controlling ISDN stations. In the switch, a switchable connection is established between land based inputs and intermediate ports and a separate set of permanent connections is established between the intermediate ports and the PCM/packet converters. Advantageously, a switch designed to serve ISDN stations can be readily adapted to serve cell sites for serving wireless CDMA stations.
摘要:
The invention relates to an arrangement for connecting a computer to a digital public or private telecommunications network in order to exchange data between the computer and a data transmitting/receiving device connected to the telecommunications network. The connection of the computer to the telecommunications network is effected via an interface subassembly and at least one primary rate access. A high data transfer rate required by the primary rate access is achieved in the interface subassembly using a parallel arithmetic and logic unit, which, in turn, is embodied, for instance, by transputers. A method is also disclosed for a software bit rate adaptation, that is performed in the parallel arithmetic and logic unit. The computer is linked to the interface assembly via a bus system, such as a Multibus I.