Yealink, Grandstream, Digium Top VoIP Customer Satisfaction List

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… the customer satisfaction study.

Boston-based Grandstream, around since 2002, offers product availability in 150 countries. The GXP1600 Series and the higher-end GXP2100 Series make for a robust portfolio of corded phones. Cordless VoIP DECT phones are represented in the DP Series.

Yealink, Digium and Grandstream are more than well-regarded VoIP phone providers. Each offers a comprehensive portfolio often consisting of IP PBX appliances, physical security, video conferencing and, of course, VoIP phones.

The global market that all 17 VoIP phone vendors sell into is extraordinarily large. The Eastern Management Group report, 2018-2024 SIP Global Market 7-Year Forecast and Analysis, shows that 2018 VoIP phone shipments amounted to 11 million sets, and are projected to grow to 21 million instruments by 2024.

For more information about the study and report “2018 Small Business Market VoIP Phones Customer Satisfaction,” please contact our analysts or

John Malone is president and CEO of The Eastern Management Group, a communications industry research company, and the author of three books for young readers. In addition to Eastern Management, he founded two other software and database management companies. He has served on the board of directors of numerous publicly traded and private technology companies. Malone has managed the company’s research assignments for major technology businesses and service providers worldwide. He is a former executive with AT&T, where he developed the world’s first call center. He earned his bachelor’s and MBA degrees from the University of Dayton. Follow Malone on @temgworldwide or on LinkedIn.

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