Gizmo5, a.k.a. Gizmo Project, a.k.a. SIPphone is launching a new program called Backdoor dialing. A little over 10% of all telephones in the U.S., both landlines and mobiles, are now connected via VoIP-a number that Gizmo5 is trying to expand rapidly.
Through a special dialing prefix (0101) via Gizmo5 or Gizmo Project client, you can make a free call "through the backdoor" to any U.S. number connected via this backdoor. Better yet, the caller can call you back via their telephone right to your Gizmo5 or Gizmo Project client using the number that comes across on the Caller ID.
Unfortunately, none of the phone numbers I have qualify for Backdoor dialing, so I can't tell you from firsthand experience how well it works. Check the website to see if your numbers are eligible and let me know how it works for you!
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i do not know what kind of numbers they are talking about with this 11%. i tried about 30 numbers from all the major cell phone carriers, local CLEC, and even some VOIP services and not a single one came back as eligible. if this is all just ENUM lookup than they should promote it as such. i tend to respect companies like gizmo very much but they are rapidly taking the turn to marketing practices that i expect from the ‘big guys’ not a revolutionary new telecoms. i am really starting to believe that at the end of the day the real winners in the VOIP world will the big cut rate calling card companies once they get into the SIP termination game. they will offer clear quality calls with no gimmicks at commodity pricing just a fraction of cent above wholesale. and they understand better than anyone the best way to success is to leave out all the gimmicks and promotional deals(if you meet all the fine print requirements)
I question how well their “page” is able to detect what phone numbers are dialable via the backdoor. I tried calling my GrandCentral number through the door and received a recording saying that the number isn’t eligible.
well what exactly makes a number ‘back door eligible?’ gizmo needs to be much more clear on that with the technical info. i have no reason to think that a grandcentral number would be eligible. after all it is not in any type of enum database and not dial able via SIP URI. i know this i sonly speculation at this point but i highly suspect that the only elibible numbers are those that are SIP URI’s or on current peering lists. the gizmo promotion tends to speak otherwise which is why i think it is so misleading.
I wish I knew the answer. You’re right, it’s not terribly clear.
i have another way to put this. if i want a number that can be dialed through gizmo ‘back door dialing’ how exactly do i get one? i would really like one of the t-mobile numbers they talk about in the promo; but if i ask t-mobile for one i am sure they will not have a clue what i am talking about.
T-Mobile won’t know what you’re talking about for sure. It SOUNDS like you’ll be able to make your number backdoor dialable by paying a small monthly fee. At least that’s what they say.
sounds like it may be nice; but how much is the fee? and is there some sort of FUP? if so who pays after the FUP limit the caller or the person who paid for the initial back door setup?
on the other hand i could always just list my number with ENUM and switch providers at any time and not have the free calling limited to gizmo users only.
I believe the fee was under $10/mo–I’d have to read Michael Robertson’s blog entry again.
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Just wanted to say that I contacted a friend’s mobile in San José, CA and it worked beautifully. The only—very minor—irritant is a short message informing both callers that the call is free at the beginning of the call. Call quality was perfect. I connected using a SIP phone (Linksys SPA962) physically located in Montreal with the receiving call party in San José. The sound quality was ideal and there was no noticeable lag. When it works, it works, I guess.
Thank you
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