o2: HD Voice introduced for calls to Telekom

o2 HD Voice to the Telekom – As announced by o2, calls via HD Voice are now also possible for connections between the o2 and the Telekom network. So far, the service was only used for discussions within the o2 network.

o2 HD Voice to Telekom

The voice optimization HD Voice is available in the o2 network from now on also in a third-party network. Until now, the service was only available in the UMTS and LTE network of Telefónica Deutschland and was available via VoLTE and VoWiFi. In addition, HD voice calls are possible in the fixed network of Telefónica Deutschland, Deutsche Telekom and other packet-switching networks (Next Generation Networks), provided VoLTE and VoWiFi are used.

From now on, o2 customers can also use the service in mobile communications in the Telekom network and benefit from a more natural sound image and clearer transmissions. This applies to the communication from o2 to Telekom as well as vice versa.


HD Voice ins Fremdnetz

“We want to always offer our customers a great user experience in the Telefónica Deutschland network,” explains Cayetano Carbajo Martín, Chief Technology Officer (CTO) of Telefónica Deutschland. “In order to enable our customers to benefit from optimal voice connections with a natural sound image, we are continually working to improve our voice quality. Through the introduction of HD Voice beyond network boundaries, our customers can now use this improved quality also in telephone calls in the Deutsche Telekom mobile network. ”

To ensure the smooth implementation, the company will continue to increase the number of HD voice conversations over the next few weeks and gradually increase them. An HD voice-capable terminal is required for use on both sides of the call. “With these prerequisites, telephony is enabled via HD Voice into the Deutsche Telekom network from the VoLTE and UMTS network (3G) from Telefónica Deutschland – and vice versa from the GSM, UMTS and VoLTE networks of Deutsche Telekom” it. Other networks are already under construction.





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