Supporting Busy on Busy with Skype for Business

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This should be just used as basic approach on how you can support busy on busy.


 First you can check if the new APPLICATION was installed correctly:

 The newly created appliance will be loaded during the Frontend server startup procedure and you will be able seeing a not in Event 30253, indicating the application was included in the loading process.



Next important, not to say most important tool ist LOGGING TOOL:
Here you will find a pre-defined set towards busy on busy.


Generally busy on busy messages look like this example below:

Content-Length: 0
Via: SIP/2.0/TLS 192.168.0.13:49887;received=103.12.145.113;ms-received-port=41538;ms-received-cid=9F6B100
From: "User1"<sip:user1@westconlab.com>;tag=8ea09bf2e6;epid=2983f4c267
To: <sip:user2@westconlab.com>;tag=C643D58961F545B
Call-ID: 734ea4e359617902c2098433b
CSeq: 1 INVITE
Server: BusyOptions/6.0.0.0
ms-diagnostics:
   1034;reason="Previous hop federated peer did not report diagnostic information";
   Domain="westconlab.com";
   PeerServer="sip.westconlab.com";
   source="sip.westconlab.com"
ms-edge-proxy-message-trust:
   ms-source-type=AutoFederation;
   ms-ep-fqdn=sfbedge.westconlab.com;
   ms-source-network=federation;
ms-source-verified-user=verified

Other Stack Traces and more you could search for are:

  • OnSipAudioInvite
  • GetIsTeamCall
  • GetIsRgsCall
  • GetIsDelegateCall
  • ShouldPrioritizeCall



Good luck troubleshooting....

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