Sign Up Here: www.iptel.org/service
IPTel is compatible with most of the major PC to PC SIP providers. Users subscribed to other providers can be called using their full SIP address e.g. "firstname.lastname@example.org".
This provider supports extra services such as Phone Book lookup, Call History, Missed Calls, and Instant Messaging.
|SIP Number/Username:||[Your IPTel Number]|
|Password:||[Your IPTel Password]|
|SIP Proxy Server:||iptel.org|