Blocking Ghost Calls on Polycom RealPresence GroupSeries 500

Occasional Contributor

Blocking Ghost Calls on Polycom RealPresence GroupSeries 500

Hello,

 

Here is hte information on my Polycom RealPresence GroupSeries 500:

 

Model: Realpresence Group 500

System Software: Realease - 5.0.0-211246

Maintenance/Warranty Status: None/Expired

 

I am getting ghost calls to the polycom.  The person dialing  in is using 1001@polycomIPAddress.  For example, the incomming ghost call looks like, 1001@123.456.78.910.  Note, I did not use the device's real IP address.

 

Can I block the address of the incomming call?

 

<Please Advise>

 

Thanks,

sd1233

Message 1 of 7
6 REPLIES
Highlighted
Trusted Contributor

Re: Blocking Ghost Calls on Polycom RealPresence GroupSeries 500

Hi sd1233,

 

A local Firewall or a Polycom Firewall traversal solution can be utilized to stop this. But there are several threads about this topic in this community, please use the search function.

Message 2 of 7
Polycom Employee & Moderator

Re: Blocking Ghost Calls on Polycom RealPresence GroupSeries 500

The first recommendation would be to get up to date on the software.  The software you are running is from Sept, 2015.  There have been a host of security updates since then.

 

You can look at the release notes and the Admin Guide for information on security enhancements since then.  This documentation is at www.polycom.com/videodocumentation

 

You can also access the security center at <here> for additional security information.  

Message 3 of 7
Occasional Visitor

Re: Blocking Ghost Calls on Polycom RealPresence GroupSeries 500

Hi, i have done update to the latest firmware 6.1.7.1 but also keep receving ghost call:

2850@192.168.1.39

2851@192.168.1.39

641@192.168.1.39

1781@192.168.1.39

1001@192.168.1.39

Kindly advise.

Message 4 of 7
Polycom Employee & Community Manager

Re: Blocking Ghost Calls on Polycom RealPresence GroupSeries 500

Hello @Yong JI,

 

welcome to the Polycom Community.

Please ensure you always check the FAQ's and/or utilize the community search before posting any new topics or follow up post’s.

 

Apr 07,2015 Question: How can I prevent Phantom calls to my Video Solution?

Answer: A local Firewall or a Polycom Firewall traversal solution can be utilized to stop this. In order to add this to a possible future Software version in the form of a whitelist please open a Feature Request or check the Security Center: Security Bulletin Relating to Worldwide Botnet Dialing H.323-Capable Systems

In order to request a blacklist / whitelist feature added to the Polycom GroupSeries you would require a feature request.

 

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

Please be aware:

The purpose of these forums is to allow community members collaborate and help each other.
Questions posted here do not follow Polycom’s SLA guidelines.
If you require assistance from Polycom technical support, please open a
web service request or call us .

The above is necessary in order to track issue internally within Polycom.

You are welcome to post more questions or configuration or logs for other community members to look at but if your issue requires a fix via Polycom you must go via the official support structure.

Please 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".

This forum reply or post is based upon my personal experience and does not reflect the opinion or view of my employer.
Polycom 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 may be answered on weekends, bank holidays or personal holidays.
Message 5 of 7
Occasional Visitor

Re: Blocking Ghost Calls on Polycom RealPresence GroupSeries 500

Hi Steffen,

Sorry for the late reply. The User now have reset the ip and the ghost call had disappeared. But another issue occur. the caller ables to see the user video and audio but couldn't see the caller video and audio at the far end. Kindly advise for such issue occur and any ports is required to open?

 

User had already open certain ports:

TCP 1720

TCP 3230 to 3243

UDP 3230 to 3341

TCP 49152 to 65535

UDP 16384 to 32764

 

Best Regards,

Yong Ji

Message 6 of 7
Polycom Employee & Moderator

Re: Blocking Ghost Calls on Polycom RealPresence GroupSeries 500

If the far end is not receiving the audio and the video it is most likely the firewall at that end.  They need to enable H.323 and / or SIP for videoconferencing in the firewall.

 

There are test numbers to dial to confirm the issue end, try using 71.14.2.157 or .158 as a test point.  It is a heavily used site so it may take more than one try to get throug to it.  Located in the Atlanta, GA, USA area.

Message 7 of 7