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[Information] Polycom VVX series call hold, transfer, and resume fail after installing the July 2019

Polycom Employee & Community Manager

[Information] Polycom VVX series call hold, transfer, and resume fail after installing the July 2019

Hello all,

 

EDIT 19/09/2019 5.9.4 addresses this issue >here<

EDIT: Microsoft fixed this >here<

 

Microsoft release this information:

 

  • Polycom VVX series call hold, transfer, and resume fail after installing the July 2019 Cumulative Update for Skype for Business Server 2015.
    Source >here<

Summary


The Polycom VVX series "call hold", "transfer", and "resume" features may fail after you install the July 2019 Cumulative Update for Skype for Business Server 2015.

Symptoms


Consider the following scenario:

  • You install the July 2019 Cumulative Update for Skype for Business Server 2015.
  • A user receives an inbound call from PSTN that is answered by a Polycom VVX device.
  • The VVX user tries to place the PSTN call on hold or transfer the call to a Skype for Business user.
  • The hold or transfer fails.  Additionally, if the call is resumed, one-way audio is experienced.
  • SipStack component tracing on the Front End shows the VVX device is receiving a SIP response with the following SIP headers.
    • Start-Line: SIP/2.0 400 Malformed route header
    • ms-diagnostics: 2;reason="See response code and reason phrase";HRESULT="0xC3E93C2E(SIPPROXY_E_ROUTE_SIGNATURE_INVALID)";source="sepool.contoso.com"

Cause


This issue is currently under investigation.  This article will be updated when additional information is available.

Workaround


Roll back the Skype for Business Server 2015 CU10 (July 2019) update by following the instructions in the "Uninstallation methods" section of the following Knowledge Base article:

  • 3061064 Updates for Skype for Business Server 2015



<======== Signature / Disclaimer ========>
Please be aware:For questions about the type of support to expect please check here

Please also ensure you always check the VoIP , Video Endpoint , Skype for Business , PSTN or RPM FAQ's

Please remember, if you see a post that helped you , and it answers your question, please mark it as an "Accept as Solution".

The title Polycom Employee & Community Manager is an automatic setting within the community and any forum reply or post is based upon my personal experience and does not reflect the opinion or view of my employer.
Poly employee participation within this community is not mandatory and any post or FAQ article provided by myself is done either during my working hours or outside working hours, in my private time, and maybe answered on weekends, bank holidays or personal holidays.
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Polycom Employee & Community Manager

Re: [Information] Polycom VVX series call hold, transfer, and resume fail after installing the July

Hello all,

 

Microsoft fixed this on their end and posted >here< and >here<




<======== Signature / Disclaimer ========>
Please be aware:For questions about the type of support to expect please check here

Please also ensure you always check the VoIP , Video Endpoint , Skype for Business , PSTN or RPM FAQ's

Please remember, if you see a post that helped you , and it answers your question, please mark it as an "Accept as Solution".

The title Polycom Employee & Community Manager is an automatic setting within the community and any forum reply or post is based upon my personal experience and does not reflect the opinion or view of my employer.
Poly employee participation within this community is not mandatory and any post or FAQ article provided by myself is done either during my working hours or outside working hours, in my private time, and maybe answered on weekends, bank holidays or personal holidays.
Message 2 of 2