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Voice services can also be classified to ordinary telephone and emergent telephone services. This information is helpful for engineering survey, plan and networking. Through the access control list ACLyou can configure the firewall flexibly to filter ymg8900 of ports that do not provide service. This module is responsible for the management and maintenance of the UMG This module cooperates with the TDM processing module, packet processing huaweu and gateway control and management module to adapt and forward signaling.
In addition, it can be ensured through software development methods. Choose product to compare.
Universal Media Gateway UMG8900
Prefabricated Modular Data Centers. In addition, this module sets up and disconnects TDM bearer channels by controlling TDM bearer resources and performs such functions as voice codec conversion, echo cancellation, announcement playing and digit collecting by controlling the service resource module.
Short term refers to umb8900 continuous work time of no more than 96 hours at a time or 15 days accumulated in a year. The details are shown in Table 2 Different user groups can customize different command sets. Boards can be inserted and removed easily from the front. Thus, it can reduce switching paths of user data and improve service quality effectively. The interfaces provided by the UMG comply with relevant specifications. The MML commands can be used for data configuration, routine operation and device maintenance.
There are indicators on the front panel of a board to show the running status of the board and interfaces. These modules are described as follows:. Based on the distributed object oriented programmable architecture DOPRA and the versatile routing platform VRP protocol stack independently developed by Huawei, the UMG also support lower layer operating system of a board, including system process, interruption, memory management and allocation.
The software has a certain automatic error correction and auto recovery abilities including restart and reload when software failure occurs. Other frames based on the standard 19 inch structure can be placed in free space of the cabinet to improve the utilization of the equipment room.
The hardware fundamentals of the UMG8900
At the same time, the flat network architecture and connection mode support flexible networking. For details about board configuration, see the online help for MML commands. The two signals are the output signal that indicates the local board is valid and the input signal that indicates the peer board is valid. The VPU provides announcement playing, digit collecting and audio mixing functions.
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There is no requirement for independent clock distribution cables. MML has the following features: MML commands hauwei as the lower layer application program interface API with all other applications running based on it.
The host software is responsible for bearer service processing, lower layer base software and hardware management. To expand and upgrade the UMG, you can add related service boards to existing frames. Through the graphical interface and MML commands, you can implement efficient management and maintenance on hardware, system resources, signaling links, clock system and physical interfaces of the UMG Core Network Info Community Members: The service frame provides the service processing function.
Narrowband voice, the traditional TDM voice, is a type of circuit switched huaweu. The UMG is placed in an area of dense traffic. The central switching frame provides switching and cascading functions. Then it gives the network positions and applications of the UMG in Huawei solutions for the mobile network The following table lists the contents of this chapter.
Implements the upgrade without service interruption function through the grouping clue and cooperation of the master group and slave group Error Tolerance Design: Through this chapter, you can learn basic performance indexes, environmental conditions for device running and basic parameters of the UMG The solutions lay a foundation for network operators to obtain more profits.
Provides multiple service functions supported by flexible networking. SSM 32 multi frame cascading 6 6 6 6 A!