IPKall - Free Inbound VoIP DID - Use with Asterisk or any IP Phone or PBX
I freaking love IPKall.
You get a free DID from them ( You can't choose it, but it's free ), that you can point to your Asterisk box or other SIP UA and receive all the free phone calls you want!
I've got a few numbers through them that I use all the time and never have problems.
There are other free DID services, but their voice quality is fantastic and I almost always get incoming caller ID name on my calls which is cool. I've even faxed over their SIP connection.
As long as you receive a call on the number at least once every 30 days, your number will remain active. Otherwise, you'll need to setup a new number.
These DID numbers are great for testing or information services such as reading back caller ID number or name.
Links
http://www.ipkall.com/
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JeffreyWeitz - 2010-03-05