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![Calling on VoLTE and VoWi-Fi: The Future of Voice Services Is Now Here](/contentassets/de1ceb05cb8b4bd78f0af4c33298f240/banner_tablet-smartphone.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Calling on VoLTE and VoWi-Fi: The Future of Voice Services Is Now Here
By Sylvain Cornay
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![Five failures not found in lab testing](/contentassets/9d462885a946413e8b1a4fb581c208b4/old-fashioned-phones.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Five failures not found in lab testing
By Lawrence Delvecchio
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![How Analytics and Virtualization Are Redefining VoLTE and Wi-Fi Calling Performance](/contentassets/0cddc2ac68244ba68aea9897d6c95dbf/banner_volte.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
How Analytics and Virtualization Are Redefining VoLTE and Wi-Fi Calling Performance
By Sylvain Cornay
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![Mitigating VoLTE Delays, Failures and Outages with VoLTE Load Testing](/contentassets/e71d5e2c6d8b45349595d9e76e9f2eca/banner_volte-network.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Mitigating VoLTE Delays, Failures and Outages with VoLTE Load Testing
By Lawrence Delvecchio
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![Diameter Testing: Enabling the Reliability of Critical Functions in IMS, 3G and 4G Networks](/contentassets/a7cc5bcff59244dbb16b05d4f86ca9ee/wireless_network.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Diameter Testing: Enabling the Reliability of Critical Functions in IMS, 3G and 4G Networks
By Lawrence Delvecchio
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![Voice Is Back: Key Challenges Standing in the Way of LTE Operators](/contentassets/7606e5333582400ea0dd9a31546f7526/banner_voice-sms-services.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Voice Is Back: Key Challenges Standing in the Way of LTE Operators
By Uday Parida
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![Voice over X: Rising to the Next Challenge for Voice Services](/contentassets/652c3692be6948a7be355ccbaf1de1fa/voice-services.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Voice over X: Rising to the Next Challenge for Voice Services
By Nisar Sanadi
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![IMS Testing: Your Key to Delivering High-Performance VoLTE Services](/contentassets/aae0e04b4f044bbeb7614663d802c411/ims-banner.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
IMS Testing: Your Key to Delivering High-Performance VoLTE Services
By Lawrence Delvecchio
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![Testing networks in the lab: The key to your network’s success in the field](/contentassets/cae4ee400db942a49caffe2aea39cd24/qa-813-banner.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Testing networks in the lab: The key to your network’s success in the field
By Lawrence Delvecchio
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![VoLTE deployment delays–can the curse be lifted?](/contentassets/a3ef3c28c0d64b6f99693935a1040891/cartoon-blog-banner.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
VoLTE deployment delays–can the curse be lifted?
By Lawrence Delvecchio
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