Hello @Emya,
welcome to the Polycom Community.
This is a bit like asking how long is a piece of string.
This system or at least the software for is is very old so a couple of questions:
- Has this worked before or is this only an issue that started lately ?
What has changed?
- Can you dial any other endpoints?
- Can the Cisco unit call the Polycom unit?
The VBP should be on 11.5.26 and the GroupSeries on 4.3.1 but most likely you need to call this in support to get them to look at the logs.
No Polycom Employees can try and help you as well.
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
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