Which Polycom product (model name) do you have and where did you purchase it?
Does the reseller you purchased your Polycom product from provide service & support?
On the Polycom website at http://www.polycom.com , please select the "Support" tab at the top.
Next, click on the appropriate section, for example underneath the "Documents & Downloads" section, click on "Voice".
There is a list of the different Polycom voice products; were you able to identify your product and look for more information ?
Are the documents you can find by clicking on the individual product link at the above page helpful in answering your question?
If not, can you elaborate how you have you tried contacting support?
The link below gives you different phone numbers to contact Technical Support, depending on your location:
Please Note: First contact the Service Provider you have contracted for service and support.
When contacting Polycom for technical assistance, your Polycom product system serial number will be required.