Google Voice + Gizmo5 + Siphon = iPhone App Calls


(VOICETALK.ORG) — Imagine receiving free calls to your Google Voice number on your iPhone anywhere in the world —or at the most — for outgoing calls just a few cents per minute.   Now that Gizmo5 has enabled support for Google Voice, this is now made possible on the iPhone.  While there is no native Gizmo5 app for the iPhone, you can configure Siphon which is available via Cydia for jailbroken iPhones.

Here are the steps to perform this operation, and don’t worry — it doesn’t involve any high tech wizardry or jumping through hoops of fire.  To perform this gravity defying feat, you’ll need the following:

  • WIFI or a broadband data plan like 3G or EDGE
  • Google Voice account (invites take about a week)
  • Gizmo5 account (account setup is free)
  • Jailbroken iPhone or iPod Touch
  • Siphon App via Cydia

Steps

1) Login to gizmo5

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2) Enter your Google Voice phone number in the My Account section and click the ON radio button then Save.  Don’t modify the settings in the lower sections such as Call Forwarding (no forwarding / none) or else the validation in step 4 may not work.

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3) After installing Siphon from Cydia, go to your Settings on the iPhone and look for the Siphon section. Enter the following configuration data:

Username: Gizmo5 SIP Number
Password: Gizmo5 Password
Server: proxy01.sipphone.com

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Under Network Settings, set “Siphon over EDGE/3G” to ON.

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4) Login to Google Voice to verify your Gizmo5 number by going to Settings (top right corner) > Phones (tab).  For the Phone Type, select Gizmo in the drop down box. Make sure Siphon is open on your iPhone. Pick up the call when you receive it on your iPhone and enter the verification code.

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After validation, you can receive incoming calls for free or make outgoing calls at 1.9 cents per minute after the first 3 minutes which are free plus your recipients will see your Google Voice number in their caller ID.

Optional: If you have Google Voice already forwarding to your iPhone, in order to receive calls via Siphon you would need to disable your GSM number within the Google Voice settings since the iPhone will answer using the GSM provider first.  This is simply done with unchecking the check mark.

The blue GSM button on the Siphon dial pad is to use your normal mobile phone carrier’s network while the green SIP button is for your VOIP usage through Gizmo5.

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NOTE: There are other Jailbroken iPhone apps that can enhance your experience. (1) Backgrounder can keep Siphon running in the background to get free incoming calls.

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