Abstract: The present invention discloses a method for implementing media gateway controller status monitoring of media gateway. The method monitors the silent time of the media gateway controller message by providing an Inactivity Timer or a general timer and a message receiving flag on the media gateway independently, and sends a Notify message to the media gateway controller so as to trigger the media gateway controller to return a message indicating it is in normal status. After registering with the media gateway controller, the media gateway starts the Inactivity Timer or the general timer according to the returned Registration Successful message, to start to monitor the status of the media gateway controller.

Abstract: A method and a device for acquiring media stream information are provided. The method includes the following steps. A media gateway controller (MGC) sends to a media gateway (MG) a command request for acquiring media stream information, where the command request carries property parameters corresponding to the desired media stream information. The MGC receives a corresponding command reply returned from the MG, and acquires the desired media stream information from the corresponding property parameters carried in the command reply. Therefore, the MGC is enabled to acquire from the MG the media stream information, and synchronization between media contents is realized.

Abstract: A method for responding to termination service state change indication is provided. The method includes: receiving a command message indicating a termination service state change, in which the command message at least includes a method parameter and a duration parameter, the method parameter indicates a change method of the service state, and the duration parameter indicates a maintaining duration of the service state after being changed; and changing the service state of the termination according to method parameter content information of the received command message, and maintaining the changed service state according to duration parameter content information of the received command message. Accordingly, a media gateway controller (MGC) and a media gateway (MG) of the termination service state change indication based on the media gateway control protocols are also provided.

Abstract: A method, device and system for controlling the packet size for media transmission are provided. The method includes the following steps: a media gateway (MG) receives a command request sent by a media gateway controller (MGC), where the command request carries a property that triggers the MG to determine a media block size; and the MG determines the media block size and transmits media according to the property.

Abstract: A method for exchanging range format support information is provided. The method includes the following steps. A media gateway (MG) receives a command request sent by a media gateway controller (MGC), in which the command request is adapted to deliver range formats requested to be supported by the MG. The MG determines supported range formats according to the range formats requested to be supported by the MG.

Abstract: A method for identifying media resources, a media gateway (MG), and a media gateway controller (MGC) are disclosed. The method for identifying media resources includes the following steps: the MG operates a media resource according to a command request sent from the MGC, and associates the operated media resource with a media resource identifier (MRI); the MG returns the information of the media resource that is already associated with the MRI to the MGC through a command reply. With the present invention, the MGC and the MG can manage and control a media resource for a media service by using a unique MRI.

Abstract: A range-based media control method includes the following steps: a media gateway (MG) receives from a media gateway controller (MGC) a signal indicating an operation on a media resource, where the signal carries range information requested to be associated with the media resource, and the MG executes the operation on the media resource within a range indicated by the associated range information. An MG and an MGC are also disclosed. With the present invention, the MGC can indicate the requested range of media control to the MG and the MG can return the actual range of media control to the MGC.

Abstract: A method for pausing signals includes the following steps: a media gateway (MG) receives a pause instruction from a media gateway controller (MGC) instructing the MG to pause a resource operation; and the MG pauses the resource operation according to the pause instruction. A device for pausing signals is also provided. In embodiments of the present invention, the MGC may flexibly pause a signal or a signal list on a termination or a stream or associated with a media resource.

Abstract: A method, a media gateway controller (MGC), and a media gateway (MG) for media resource identification capability interacting provide a mechanism for media resource identification capability interacting between the MGC and the MG. Thus, the media resource identification schemes respectively supported by a user and an MG can be exchanged between the MGC and the MG, so as to realize media resource identification capability negotiation between the user and the media provider.

Abstract: A method for adjusting a signal delivery bandwidth is provided. The method includes the following steps: A media gateway (MG) receives a command request carrying signal delivery bandwidth adjusting information, and the MG adjusts the signal delivery bandwidth according to the signal delivery bandwidth adjusting information. An MG and a media gateway controller (MGC) are also provided. By extending the media gateway control protocol (H.248 or MGCP), the delivery bandwidth adjusting information of a signal is transferred while the signal is transferred, the signal is adjusted according to the signal delivery bandwidth adjusting information, a signal and/or signal list corresponding to the signal delivery bandwidth adjusting information is transferred simultaneously, and the executing process of the signal remains uninterrupted.

Abstract: The present invention relates to the communication filed and discloses a method for adjusting the signal speed, a media gateway (MG), and a media gateway controller (MGC). The method includes: receiving a command request that includes signal speed adjustment information from the MGC, and adjusting the signal speed according to the signal speed adjustment information. The MG includes a receiving module, an adjusting module, and a sending module. The MGC includes a sending module. In the present invention, the media gateway control protocol is extended to enable the MGC to adjust the speed of any signal.

Abstract: A method and apparatus to implement media gateway internal connection. The MGC obtains the MG's capability of supporting an internal connection via audit or configuration. Based on the obtained capability, the MGC determines and controls the implementation of the internal connection, or the MG determines and controls the implementation of the internal connection itself. If the MG determines and controls the implementation of the internal connection itself, the MG informs the MGC to modify the call mode in the MGC into the same as in the MG, or maps between the respective operations for the MGC and the MG to their respective call models after the MG implements the internal connection. The MGC can also control the MG's capability of determining and realizing the internal connection by itself based on the service characteristics.

Abstract: A method for realizing metering pulses in Next Generation Network (NGN), which enables an MGC (media gateway controller) to cooperate with an MG (media gateway), so as to realize the metering pulse service. When it is necessary to initiate the charging, the MGC transmits the metering pulse signal to the MG, and then the MG transmits the first metering pulse to the user equipment immediately, and periodically transmits the subsequent pulses according to the Pulse Count and Pulse Interval specified by the signal parameter.

Abstract: A method for switching Termination state in an MG includes: exchanging between an MGC and an MG a ServiceChange request for a Termination in the MG, with a parameter used for instructing the Termination to be in a Test state carried in the request; testing by the MG the Termination according to the parameter. A method for switching the state of a Termination in an MG includes: after a test to a Termination is finished, switching the service state of the Termination to an InService or OutOfService state through exchanging a ServiceChange request for the Termination between an MGC and an MG Systems for switching the state of a Termination in an MG are also disclosed. When an MG or MGC tests a Termination, they can notify each other of the service state of the Termination, thereby simplifying the operations of switching the service state of the Termination.

Abstract: The present disclosure relates to the communication field, and discloses a method and device for reserving resources to improve the efficiency in reserving the same type of resources. According to the disclosure, a bearer control device sends a message that instructs to reserve resources to a bearer device, wherein the message carries the description and quantity of the resources to be reserved in a specified context. The bearer device reserves the resources in the specified context according to the description and quantity of the resources in the message. After the bearer device reserves the resources in the specified context, the bearer device may return a reply to the bearer control device, so that the bearer control device can know the resource reservation result.

Abstract: The present invention discloses a method for acquiring media stream Quality of Service (QoS) periodically. The MGC sets an inspect duration during which the MGC periodically acquires the QoS information of the media stream, thereby timely acquiring the QoS information of the media stream and effectively controlling the media stream. Two ways for the MGC periodically acquiring the QoS information are provided. The MG actively submits the QoS information to the MGC and the MG submits the QoS information to the MGC according to the periodic request of the MGC. The embodiment of the present invention provides the capability of adjusting the call microscopic QoS, enhances the real-time quality of evaluating the QoS and that of dynamically adjusting call control strategy, inherits the ability of the original protocol for evaluating the microscopic QoS of the network during a certain period and provides more accurate evaluation.

Abstract: A method, system, network entity for obtaining Session Description Protocol capability information are disclosed. The method, system and network entity are used to solve the problem that a communication party is unable to acquire the Session Description Protocol capability information of the other party with the existing technology. The technical solutions according to the present invention allow a communication party to obtain the Session Description Protocol capability information of the other party from the other party by interacting messages between the two communication parties. Especially, in the case of H. 248 protocol, by extending the corresponding property parameters, a media gateway controller can obtain the Session Description Protocol capability information of the media gateway from the media gateway easily.

Abstract: A method, system and network entity for negotiating a session description protocol (SDP) version improve a negotiation process where two communication parties negotiate an SDP version supported by both applications. Especially when the H.248 protocol is applied, by extending of a property parameter, the negotiation process between a media gateway controller and a media gateway can be achieved easily. A method, system and network entity for obtaining information of an SDP version allow one communication party to obtain information of an SDP version supported by the other party from the other party. Especially when the H.248 protocol is applied, by extending the property parameter, the media gateway controller may obtain the information of the SDP version supported by the media gateway easily.

Abstract: The present invention discloses a method for implementing media gateway controller status monitoring of media gateway. The method monitors the silent time of the media gateway controller message by providing an Inactivity Timer or a general timer and a message receiving flag on the media gateway independently, and sends a Notify message to the media gateway controller so as to trigger the media gateway controller to return a message indicating it is in normal status. After registering with the media gateway controller, the media gateway starts the Inactivity Timer or the general timer according to the returned Registration Successful message, to start to monitor the status of the media gateway controller.

Abstract: The present invention relates to the communication field, and discloses an MG and a statistic reporting method thereof. The statistic reporting method includes: judging whether the current statistic parameter value meets the reporting condition when the statistic parameter value changes; if the value meets the reporting condition, reporting the current statistic parameter value and/or the corresponding event to the MGC, thus meeting different statistic and monitoring requirements more flexibly and efficiently. The MGC sends an event parameter to the MG beforehand, and transfers the reporting condition through the event parameter or its sub-parameter; or the MG presets the reporting condition.