Call Session Control Function
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Huawei Call Session Control Function (CSC3300), is the call control session of Huawei's IMS solution. It provides functions such as IMS user network authentication, session control, roaming mobility management and Quality of Service (QoS) control of the IMS bearer plane. The CSC3300 is the key component of the IP multimedia solution, integrating Huawei's fixed and mobile networks. It supports the mobile and fixed networks that use 3GPP, 3GPP2, ETSI and ITU-T standards.
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