Google Voice is a VoIP/SIP program that can be used to make free or very cheap phone calls to many countries around the world. If you’re located in the United States, then your calls to the USA or Canada will be completely free. Not only that, but the program comes with a rich feature-set that includes voicemail, conference calls and video conferencing, SMS to email, a voice transcription service and a full featured contact list that lets you manage all your contacts’ details.
China skyline
This is Helen Hu from China Skyline which in the field of VoIP products, GSM Modem, sim bank and wifi phone. And also deal in routes .Urgent need non cli 92 pak direct route who has voip gateway .
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