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1. On the 

   Spacevars
   0 product

   WebUI, access Diagnostics> Test a Call.
2. Enter the phone number of your Skype Client and select your Call Routing Table "From Sip Trunk". The call should reach your Skype Client.
3. Access Settings > Signaling Groups.

4. On the CCE SG, click on Counters.

5. Ensure there is Incoming Invite and that the number of 1xx answer is matching .If you get a "Additional Information: Failed Reason Q.850 Cause Code: 1.", ensure that:

   • You are calling a number that exists in O365.
   • You are using the proper SG.
   • Your Calling Number Translation are sending E164 to CCE.

   Caption
   0 Figure 1 Test A Call

   Caption
   0 Figure 1 Modify Counters

6. Click on Reset Counters.

7. Make a call from the Skype client to a PSTN number that does not exist on your Office365 Tenant.

8. From the CCE Signaling Group, click on Counters.

9. Ensure there is an Incoming Invite and that the number of 1xx answer matches.

   1. If the PSTN provider is slow to route the call, the Skype client may cancel the call too fast. Access Tasks / Cloud Connector Edition / Setup / Confgure CCE / Raw Ini config, and add the EnableFastFailoverTimer=false parameter into the section [TrunkConfiguration].
      
      

      Caption
      0 Figure 1 Request Message Counters
      Image Modified

10. Click on Reset Counters.
11. Make a call from the PSTN to the Skype Client number on your Office365 Tenant.
12. From the CCE Signaling Group, click on Counters.

13. Ensure there is an Outgoing Invite, and that the number of 1xx answer matches.

    Caption
    0 Figure 1 Outgoing Invite

14. Click on Reset Counters.

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1. If the call is not presenting a calling number:
   • When using a SIP Trunk, you may have to Disable the "Send Assert Header" if your Sip Trunk provider does not support multiple PAI.
     
     
2. If the call is having bad audio quality:
   • Use the Call Quality Dashboard to ensure the firewall is properly configured.

3. If the Forward/Transfer or Conference are failing to escalate from Online call to CCE call:

   1. Verify the Mediation server have been added to the teantusing the command:

      Code Block
      Get-CsOnlineUser -Filter "HostingProvider -like '*.<YourDomain.com>'" | Get-CsHybridMediationServer

   2. If the Mediation Server is missing, follow "Configure Online Hybrid Mediation Server settings" on https://technet.microsoft.com/en-us/library/mt740651.aspx.
   3. Ensure the SBC and CCE are perfectly in sync with the Internet time.
   4. If the PSTN provider is slow to route the call, the Skype client may cancel the call too fast. Access Tasks / Cloud Connector Edition / Setup / Confgure CCE / Raw Ini config, and add the EnableFastFailoverTimer=false parameter into the section [TrunkConfiguration].

Confirm Auto-Update

1. Check https://blogs.technet.microsoft.com/sfbhybridvoice/2017/04/07/troubleshooting-cloud-connector-edition-1-4-2-updates-and-new-deployments/

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