Bharti Airtel has selected Nokia Siemens Networks (NSN) to deploy its Circuit Switched FallBack (CSFB) voice solution in Pune. The technology will allow the cellco to provide GSM voice services to users on its 4G Time Division Long Term Evolution (TD-LTE) network, transferring customers to Airtel’s 2G network to make and receive calls. Senior Airtel official Jagbir Singh said: ‘The solution will enable our 4G customers to enjoy high-quality voice services on GSM network and ultra-fast data services on TD-LTE platform – thereby allowing them to have a unified experience on a 4G handset.’
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