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Cisco CME 9.0 connection to Office 365 UM

David Emswiler
Beginner
Beginner

I am trying to connect my Cisco 2911 with CallManager Express to Office 365 Unified Messaging for Auto Attendant and voicemail. I have followed what settings I found per Microsofts knowledgebase but all I get when I dial the pilot number is a fast busy. I have 8961 and 7945G phones setup as SIP and a 7937 setup as SCCP. Calling internally and calling out works fine. I just can't connect to UM. I have attached a running-config, debug ccsip messages, and debug voip ccapi inout logs.  In speaking with Office 365 tech support the best they could give me was that it needed to be TLS on port 5061 and using g711.          

2 Replies 2

Tibell
Beginner
Beginner

Hello All,

It's been over two years now and no one has attempted to help with the CME and exchange online integration thing. I am also having the same issue here and need some help.

Demswiler, please where you able to make this work? can you please share your working configuration with me.

Thank you for your help.

I ended up bringing my Exchange in house because that wasn't the only issues we had with Office 365.

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