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Bad video quality on VPN but good quality on MRA

sysadmin5
Level 1
Level 1

Setup :

Data Center

  • CMS1000 2.4
  • CUCM 11.5
  • Expressway C & E 12.5
  • CMS Recorder & Uploader

Branch A

  • 1 Room kit mini
  • Connects to DC via SSL VPN on Sonicwall Firewall. Dedicated 50 Mb internet pipe for Video conference traffic only.
  • No ports blocked & no policy applied.

 

Branch B

  • 1 Room kit mini
  • Connects to DC via SSL VPN on Sonicwall Firewall. Dedicated 50 Mb internet pipe for Video conference traffic only.
  • No ports blocked & no policy applied.

 

We are doing a demo with one Room kit only & will increase the endpoints on project completion.

Branch A & Branch B dials the Space ID and gets connected in a conference call on CMS server in DC. Call quality is good but not perfect, picture breaks on movement. Packet loss is less then 1%. Call rate set to 1024 Kbps

 

When Branch A dials Branch B directly, call quality is perfect. Call rate set to 1024 Kbps

 

When we disable VPN tunnel and use same internet to register Endpoints via MRA, over Expressways, video quality is perfect.

 

Please suggest how to make this work on VPN, as we dont want to use it via MRA becuase TMS dont supports Collab Edge devices & we tend to register all endpoints via VPN only not MRA.

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