How do I configure my SIP device to work with NATPass™?
A. You have to configure only one additional field in you Sip device with your Natpass’ IP address or FQDN and disable other NAT settings. Most vendors call it Outbound Proxy. For sample screenshots for configuring various devices CLICK HERE : Sipura ; Snom ; Linksys ; Hitachi wi-fi ; Grandstream ; Polycom.