Polycom RMX 1500 Administrator's Manual page 1075

21 Click Paste Certificate to paste the clipboard content into the Send
Certificate dialog box.
22 Click the Send Certificate button to send the certificate to the RMX.
23 Click the Close button.
24 In the IP Network Service - SIP Servers dialog box, complete the SIP
Servers definitions.
25 Click OK.
The MCU validates the certificate.
Polycom RMX 1500/2000/4000 Administrator's Guide
H-89