Skype for Business, Polycom Trio and Sonus SBC: how to avoid Call on Hold issue

Hi All, recently I've managed a very strange issue with Polycom Trio 8800 when placing a call on hold, following you will find the scenario and, the more important thing, the solution! Scenario Skype for Business on-premise with Enterprise Voice enabled. Sonus SBC 1000 as Voice Gateway (fw. 6.1.1 build 459) Polycom Trio 8800 with Visual+ … Continue reading Skype for Business, Polycom Trio and Sonus SBC: how to avoid Call on Hold issue

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