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The HP Community is where owners of HP products, like you, volunteer to help each other find solutions.
HP Recommended

Team,

 

Would like to understand how to toubleshoot video in /video out losses. " The media transmitted from the endpoint to the RMX (Video in)".

 

I have checked with the network team and all the setting on the RMX and no issue found. Customer coming from public ip we face issue. customer coming from MPLS we havent faced any issue. 

 

As per the Public IP service provider all is good. I am attaching the snippet of the test call with packet loss info.

6 REPLIES 6
HP Recommended
Greetings, have you had any resolve with this issue, I am experiencing the same thing. Packet loss in and out but no indications on the network end. Incorrect flag setting on the rmx?, network setting, etc? Much thanks
HP Recommended

We are still facing the issue.

HP Recommended

Hello all,

It is always useful to include the currently used software version as issues experienced may already be addressed in a newer release.

This also allows yourself and others to check against current software release notes.

Has this been brought to the attention of Polycom support yet?

Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.

Best Regards

Steffen Baier

Polycom Global Services

------------------------------------------------
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.

Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN
HP Recommended

Has there ever been any more movement on this issue?

We have had this ongoing for several years with our RMX2000.

Old thread but wondering if anyone has any insight into it?

HP Recommended

no movement. Network side continues to see no anomolies or even packet loss. Bridge still shows extremely inconsistent packet loss numbers. Polycom Support advises this is a network issue.

 

If you find something out, please update this thread as I will do the same. I see this as a software issue on the bridge side.

HP Recommended

Don't confuse the way your network team defines packet loss and how the RMX, or any other real time protocol device for that matter, defines packet loss.

 

The network team is looking to see if the packets arrive at their destination. They don't care when they arrive. The RMX on the other hand expects RTP packets to arrive in a constant and consistent packet stream. Variations in the time between when a packet was sent and when it was received is called jitter. If the jitter is too high packets can be received too late to be processed. It's what I like to call "Effective Packet Loss" as opposed to actual packet loss.

 

Since this appears to be a problem with external participants as opposed to internal participants I concur that this is most likely a network issue. Any device between the source and the destination could be contributing to the problem.

 

I can offer one suggestion. The RMX supports Lost Packet Recovery (LPR). LPR works great in situations where the loss is relatively low. In cases where the loss is high the RMX can spend so much time on the recovery process that it gets behind on other tasks and it can make the problem worse. If LPR is enabled in the conference profile, try disabling it. The reverse also applies. If it is currently disabled, try enabling it. It could be that the loss is low enough for LPR to have a positive affect.

 

 

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