Oh, thanks for your wish to help me!
I'd like to register Ukrainian SIP-service provider, called 3fon.net (
www.3fon.net - Что такое 3fon.net?)
It has 800.000 landline numbers (+380894 non-geographic network code) in it's disposal.
3fon.net gives an opportunity to make free calls among 3fon.net users, to make cheap calls to PSTN users all over the world and to perform instant text messaging with both 3fon.net users and anyone else who uses jabber. Obtaining landline number 3fon.net users get an ability to receive calls from PSTN users.
To learn more - visit
www.3fon.net - Что такое 3fon.net?
Everyone can register for free (
https://register.3fon.net/?lang=en).
As for provider details for GPI:
Name: 3fon.net
Support email:
3fon@3fon.net
Country: Ukraine
Support Number: +38044-594-1011
Callback Status: Not Working
Home Page:
www.3fon.net - Что такое 3fon.net?
Features: Free In-Network Calls, Caller ID with Name, Caller ID, PC-to-PC, PC-to-Phone, Video VoIP (VVoIP), Conference Call, VoIP International A-Z, Web Call, Web To Phone, Text Messaging
SIP Settings:
SIP Proxy: sip.3fon.net
SIP Ports: 5060, 80
Codecs: g711a, iLBC