EE has announced plans to invest £275 million in 2014 in developing the companies call handling capabilities.

The investment will include upgrades to 5,000 2G and 5,500 3G sites, increasing capacity, reliably and quality of service.

Funds will also be used to develop future call services including VoLTE and voice over Wi-Fi services.

EE CEO Olaf Swantee said: "This year, we have been focusing a large amount of our activity and investment on offering consumers the most reliable, highest quality phone call experience".

He added, “we plan to invest £275m in our voice call service in 2014 as we strive to set new standards in call quality and reliability."

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