SIP on Android - Sipgate and Linphone


Screenshot of the Linphone settings screen.

Three years ago, I wrote about how you could add SIP calls to Android for free. Android had a well-integrated system which made VoIP calling a first-class citizen on its handsets. Sadly, Google killed native SIP calling in Android 12. FFS! It's relatively easy to get it set up again, although you'll need to install a separate app. Sign up for a free Sipgate account. That will get you a UK phone number (+44), username, and password. Install Linphone for Android (or via F-Droid) Setting up …

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Using SipGate to set up a BANANAPHONE!


A developer console.

Like many of you, I'm inundated with spam calls. I've suffered endless car accidents, my National Insurance Number has been suspended multiple times, and my broadband will be cut off imminently. Wouldn't be nice to screen out all the fraudsters? So I've set up a Bananaphone. When people ring me, they get 30 seconds of my favourite song. Then the call is passed to me. The theory being that my friends get to enjoy a short ditty but con artists are likely to hang up before the call connects to…

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The State of SIP


Choose a SIM for this call.

How well does SIP work on a modern Android phone, with no 3rd party apps? I'm trying to give up my mobile phone contract. As part of that, I'm switching my voice calls to VoIP providers. For family and friends, that usually means WhatsApp, Skype, Signal and other consumer apps. For work, Hangouts, Zoom, and Skype. But what about "normal" people who just want to dial a PSTN number? And what about "abnormal" people who want to dial my VoIP directly? These are my experiments using the OnePlus…

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Adding SIP calls to Android - for free!


Config setting screen.

SIP is a stupid acronym. It's basically a standard way of making phone calls over the Internet. This means you can make and receive phone calls over WiFi. Here's how I got it working - for free - on Android. By the end of this tutorial you will be able to: Receive calls to a new phone number, sent via WiFi to your Android handset. Receive calls to your existing phone number, redirected to arrive over WiFi. Get a SIP account Sign up for a free SIPGate Basic account. Doesn't cost you…

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