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Overview Of ASR5K-00-CS01CSFB
The ASR5K-00-CS01CSFB is a Circuit Switched Fallback (CSFB) license with SGs Interface for the Cisco ASR 5000 Series and is capable of handling up to 1,000 concurrent sessions. CSFB is a technology designed for 4G LTE networks to provide a method for voice and SMS delivery using the legacy 2G and 3G CS networks. The SGs interface is used to provide a control link between the User Equipment (UE) and the Mobile Switching Center (MSC) to facilitate this fallback to 2G/3G voice services for LTE devices. This license allows operators to use their existing 2G/3G infrastructure for voice calls and SMS while deploying LTE for data services, leveraging their investment in older technologies while transitioning towards newer ones. This is an essential solution for operators during the transitional phase into full LTE networks, providing continuous voice and SMS services to customers.
