Use these settings if you didn't find specific instructions for your SIP device.
Proxy server address: sip.diamondcard.us Registrar server address: sip.diamondcard.us Registration: On Realm: sip.diamondcard.us User name: Your_AccountId Password: Your_Pin_code Transport type: UDP Port: 5060 DTMF: RFC2833 Audio Codec: g711a,g711u,GSM,iLBC,
Dialing instructions available here.