Please visit this link to test our quality http://vasc.com.vn/template/default/page/other/FormVOIP.aspx
palycoms is an International VoIP Wholesale Provider, Internet Telephony Service Provider, Internet VoIP and Video Conferencing Service Provider, SIP Billing, VoIP Billing Software Provider, Voip Termination ISP
VoIP Services: Call Back, Call Relay VoIP