We have considered tools and services provided by key players in the market, including RingCentral, Inc. (U.S.), ALE International (France), Sify Technologies, Ltd (India), Tata Communications, Ltd. (India), Verizon Communication, Inc (U.S.), Metaswitch Networks Ltd (U.K.), Mitel Networks Corporation (Canada), 8×8, Inc. (U.S.), Zoom Video Communications, Inc. (U.S.), Vonage Holdings Corp. (U.S.)
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