- jmp.chat phone number, shared between spouses as a “family number” either of us can answer at home or away from phone.
- Cell2Jack device that converts bluetooth phone call into landline phone
- Cortelco 2500 telephone
Video with sound here. Video was taken of Android phone Cheogram app, but I will instead use this setup with Raspberry Pi 4 + Waydroid/Lineage OS and Cheogram app in the coming days.
Yes, you can answer and dial out from the telephone instead of device for integrated phone apps like Cheogram. For Signal, I have to tap answer on device but can pick up telephone to continue the audio call.
Sure, there are other ways to go about getting more or less the same functionality. I love hearing other ideas.
jmp.chat is an open source VoIP provider. The telephone itself, a Cortelco 2500 telephone, is not bluetooth nor VoIP. I love the classic physical gong ringer. The telephone connects to the Cell2Jack adapter via a standard telephone cable (6P2C/RJ11). The Cell2Jack itself has the bluetooth. What’s cool is I can also use the telephone speaker as a one-ear “headphone” device for any and all media I play on my device if I change the setting on Cell2Jack.
Oh ok I get it now, so basically the fixed phone is used as a controller for your regular phone. That makes more sense actually, I tought when reading your post that is was some kind of phone that stays in a cabinet near by. But if its basically a bluetooth speaker/microphone that you can decide to use to pick up the phone instead of using your smartphone, then I love the idea!!