You can use a free service from http://www.sipbb.com, it provides all software to get your VOIP unblocked in Qatar and make free phone calls.
This service has many free features like extension to extension calls, or call to 1800 toll free numbers to USA/Canada/UK etc. , or even accept phone calls from PSTN Access numbers, very convenient and does working very well. Checking their web site if you'd like to try it. You can use all above features without paying anything, so really great to try it without any risk. Seems they business is depends on the A-Z termination which is an optional choice if users also want to use their service to make PSTN calls.
You can use a free service from http://www.sipbb.com, it provides all software to get your VOIP unblocked in Qatar and make free phone calls.
This service has many free features like extension to extension calls, or call to 1800 toll free numbers to USA/Canada/UK etc. , or even accept phone calls from PSTN Access numbers, very convenient and does working very well. Checking their web site if you'd like to try it. You can use all above features without paying anything, so really great to try it without any risk. Seems they business is depends on the A-Z termination which is an optional choice if users also want to use their service to make PSTN calls.
Regards,