Please follow the step for nokia sip setting. Profile Name: profile1 Profile: IETF Default Access point: (your WLAN AP name) Public user name: username@sip.globecall.us Registration: "Always on " Use Security: No a STEP 2 Registrar Server: Enter the following for Proxy Server settings Proxy Server: sip.globecall.us Realm:voip User Name: username Password: Enter the password that you chose when you signed up for the service. Transport Type: UDP Port: 5060 STEP 3 Proxy Server: Proxy Server Address: sip.globecall.us Registrar Server:none Realm: none User Name: none