As seen in pictures.

For full specs: https://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/unified-ip-conference-station-7937g/product_data_sheet0900aecd806e021a.html

I can't answer voice calls most of the time since I'm working or driving. The fastest way to get in touch is via WhatsApp msg, SMS or msg on MaltaPark. I usually reply quickly. Thanks.