Nokia E Series and N Series

The Nokia E series is the best of both worlds in one mobile handsets, with automatic selection of Voice over IP, when available. Here’s a brief outline of the phone configuration:
www.fringtell.com Users

Tools -> Setting->Network->Network mode-UMTS
Tools-> Settings-> Connections -> SIP Settings
Add a new profile called (User defined)
Service Profile: IETF
Default Access Point: (Select your Service provider AP)
Public Username: sip:Username@fringtell
Use Compression: No
Registration: Always on
Use Security: No

Proxy Server:

Registrar Server Address: None
Realm: sip.fringtell.com
User Name: None
Password: None
Allow loose routing: Yes
Transport Type: UDP
Port: 5060

Registrar Server:

Address: sip.fringtell.com
Realm: VoipSwitch
Username: fringtell user id
Password:fringtell a/c password
Transport type: UDP
Port: 5060

Nokia E51 Internet Telephone Configure:

Go to Tools -> Settings -> Connection -> Internet Telephone Settings
Create a new profile for “Home”, name it “Home”
Choose “Home” as Preferred profile
Menu - > Connectivity - > Internet Telephone - > Options - > Settings - > Default Call Type
Select: Internet call.