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Smartfren is the first mobile operator in Indonesia to deploy LTE and VoLTE. The deployment of VoLTE has been fast, as the operator wants to go past its CDMA legacy. Next will be the deployment of Wi-Fi Calling to complement VoLTE. Christian Daigneault, Smartfren’s CTO, told us about Smartfren VoLTE experience: “VoLTE offers better voice quality, due to the HD voice vocoder, which we did not have in CDMA. This brings improved voice quality and fast call setup.”

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VoLTE and VoWi-Fi will coexist and complement each other. But should operators and enterprises allocate the voice traffic to the two interfaces? What are the relative advantages and challenges of the two technologies? Mark Grayson, Distinguished Engineer and CTO, Office of Mobility, Cisco, shared his insight with us on these topics.

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In our conversation with Al Balasco, Senior Director of Product Management at Radisys, we talked about how VoLTE and Wi-Fi Calling enable a better voice quality, but the new codecs require more processing power, more advanced transcoding capabilities. 

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With VoLTE and Wi-Fi Calling, the role and reach of voice is changing – in the enterprise and among all subscribers, with the adoption of a multitude of devices, apps, services and use models. Terry McCabe, CTO at Mitel and previously at Mavenir, told us about the evolution he sees in the wireless space.

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A conversation with Robert Bichefsky, Senior Manager, and Jagdish Vadalia, Senior Manager, GL Communications, part of our upcoming report "Voice comes to the fore, again. VoLTE and Wi-Fi Calling redefine voice." 

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A conversation with Shyamal Ramachandran, Director of Product Management, Qualcomm Technologies on HD voice, EVS, the role of Wi-Fi Calling, codec evolution and new use cases for voice 

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Gordon Mansfield, Vice President, Radio Access Network and Device Design at AT&T, talked to us about the evolution of voice services at AT&T, following the introduction of VoLTE and Wi-Fi Calling, as well as of new services such as NumberSync.

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I talked to Michael Campbell, Director of Service Assurance at EXFO, about how mobile operators can leverage testing and analytics tools to benefit from the performance advantages from VoLTE.

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Upcoming webinar "Mobile Backhaul: Successfully Assuring Performance for Increasingly Complex Networks" with InfoVista

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Testing in wireless networks is evolving, and becoming more deeply embedded in the end-to-end, real-time traffic management. New testing platforms rely more on active testing, leverage virtualization, and are explicitly designed to optimize QoE. In this white paper for Spirent, we discuss how testing is changing and what impact it has on mobile operators.

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