China Mobile started research on IMS as early as a few years ago, and innovatively proposed CM-IMS on the basis of international standards. CM-IMS has become an important solution for China Mobile to achieve network and business integration. China Mobile hopes to provide users with richer multimedia services by combining IMS and mobile Internet. CM-IMS opens the IMS network and business capabilities to Internet users and integrates it into the Web2.0 ecological environment to provide a mix-and-match application of communication networks and the Internet, explore new business areas, and increase new revenues. Once China Mobile IMS is deployed nationwide, it will become the world's largest commercial IMS network.
In terms of cell access, due to historical reasons, China Telecom and China Unicom have a large advantage in this market segment, and at the same time have the largest domestic PSTN telephone network. If China Mobile wants to cut into this market, the communication experience that China Mobile provides to users must be different from the traditional solidified business.
In view of the above circumstances, our company provides professional and high-quality IMS access solutions for customers in the CM-IMS deployment environment and the market segment of broadband cells.
solution:
plan description:
With the continuous improvement of IP technology, compared with the traditional PSTN telephone network, VoIP has unparalleled advantages in user experience, convergence capabilities, construction costs, operation and maintenance management, etc., especially for future-oriented converged communications What traditional PSTN phones cannot do. Therefore, this paper proposes SIP-based China Mobile CM-IMS cell voice access solution.
On the user's side, the old building's wiring system can be used for the transformation of the old residential area, and the digital telephone exchange equipment can be placed to connect the households to place numbers, or the digital telephone exchange equipment can be used to replace the original traditional telephone exchange and then connected to the households to place numbers.
For newly built communities, since the terminals accessed are mostly analog phones, the traditional telephone line wiring method can also be used, and each telephone is connected to a digital telephone exchange. At the same time, the digital telephone exchange can be connected to the local area network to reserve the expansion capability for future connection of SIP phones. At this time, the role of voice equipment is converted from the digital telephone exchange to the SIP control server, thereby providing a good network environment for future expansion of business content.
China Mobile's uplink line can be used according to the environment, and can use a variety of access methods, but currently the most commonly used is to directly connect the China Mobile metropolitan area network through the IP line and then access the mobile IMS network.
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