Airtel To Offer voice services for its 4G TD-LTE customers in Pune through GSM network

Airtel will soon launch voice services for its 4G, TD-LTE (time division duplex long term evolution) customers in Pune,  through its existing GSM network. With this Airtel becomes the only operator in India to combine voice with TD-LTE services through GSM network which will allow LTE customers to use 4G handsets for voice calls, voicemails.



The operator has selected Nokia Siemens Networks to deploy its Circuit Switched FallBack (CSFB) voice solution in the operator’s live TD-LTE network in the city. With CSFB, the network can transfer customers to GSM platform to make and receive voice calls and access voicemails while retaining the experience of ultra-fast data services on 4G smartphones.

Nokia Siemens Networks has deployed its radio network elements in addition to its voice core and packet core network elements to the commercially launched network of Bharti Airtel in Pune. The company deployed its Single RAN (radio access network) platform based on its award-winning, energy-efficient Flexi Multiradio Base Station. Nokia Siemens Networks’ network management system NetAct has been implemented to monitor, manage and optimize the whole network.