Speak about Direct routing vs Callingplan and the cost and difference.
Why use direct routing and how to plan for it.
Where to place your SBC when running direct routing.
What are the options here:
– SBC in Azure
– SBC in your own datacenter
– SBC as a service from local telco
– SBC as a service from a Microsoft partner
– SBC in different countries and regions in Azure
Some powershell to migrate from Skype for Business to Teams telephony.
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