Provider

Provider Offical Website

Country

FWD

http://www.fwd.pulver.com

Globe

Iptel

http://www.iptel.org

Globe

FreeIpCall

http://www.freeipcall.com

UK

VoIP Talk

http://www.voiptalk.org

UK

VoIPFone

http://www.voipfone.co.uk

UK

Nella

http://www.nella.net.au

Australia

ATP

http://www.austechpartnerships.com

Australia

Freshtel / Firefly

http://www.freshtel.net

Australia

Annatel

http://www.annatel.net

France

myTCOM

http://www.mytcom.it

Italy

ivoice

http://www.ivoice.it

Italy

APOL

http://www.apol.com.tw

Taiwan

SipGate

http://www.sipgate.de

Germany

Brujula

http://www.brujula.net

Spain

FonoSip

http://www.fonosip.com

Spain

InPhonex

http://www.inphonex.com

USA

NaturalVoice

http://www.naturalvoice.us

Brazil

Draytel

http://www.draytel.org

UK

Mitel

http://www.mitel.com

USA