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CallTower Solutions Center

MS Teams - Direct Routing

Setup Teams Direct Routing from CallTower : 


  • Must be on CallTower's Microsoft Partner Network for Office 365 Licenses 

  • Must have an Office 365 Admin Account 

  • Must have access to External DNS Host 


  • Point Skype for Business/Teams DNS records to Office 365 (DNS records can be found under “domains” section in 365 Admin Portal 

  • Assign correct Office 365 Licenses for each user (Phone System License is required) 

  • E3 licenses needs the Phone System License as an add-on 

  • E5 has the Phone System License included 

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