Google's SIP Tease

As has been reported everywhere, last week Gizmo5 users learned that Google will soon be hanging up on this open-source softphone.  Acquired by Google in 2009, the SIP-based Gizmo5 service will do its last “INVITE” in early April.

Now some fleeting good news: Over at OnSIP, the cloud-based PBX company, there’s an interesting post about a SIP door that  opened over the weekend and then just as mysteriously closed.

For a shining moment, Google Voice numbers had associated with it a SIP address of the form:

In other words, it was possible for a few days to make free calls on any device that supported a SIP stack!

The OnSIP blog links to a post from Todd Vierling, whose inspired experimentation led him to derive the SIP address for Google Voice. Yesterday, he reported that this magical portal closed shut.

Some lucky folks, it appears, can still get into their GV numbers via SIP.

I just tried it from my X-Lite phone, but no luck.

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