5 stars: Tried a few other sip phones before gong with Linphone. Good UI, sound volume, call quality and stability. Can't comment on how good it is for multiple accounts as I only use one right now.
5 stars: I recommend this. Am using this with my VoIP service provider and simply excellent it works like a charm, it's performance on mobile data is superior amazingly enough, than on my workplace WiFi (QOS suspect).
5 stars: Excellent.
3 stars: The app works for me fine, but I can't get a Bluetooth device to work with this app to save my life. I can only get sound out of one of my Bluetooth headset, no mic. My other doesn't give me sound or mic. Wired headphones with a mic worked once for me.
4 stars: Great app. Sound quality is good. 1 downside : you can not easy switch between accounts for calls. Can"t understand why almost every one sticks to micro$uck$ $kype
5 stars: Awesome app, still giving it 5 star despite a missing simple feature that made it unusuable for me. When you have multiple SIP accounts setup from the same service you can't tell which phone line is ringing because the IP continues to change after each ring. The app should instead show the display name of the account thats ringing instead of an IP
3 stars: Love the UI, however Linphone did not work with the microphone on my Nexus5X for SIP calls, so I have had to switch to CSipSimple.
4 stars: I just starting to use it, on Xiaomi Note 4A and android 6. It works fine, but sometime une...