Linphone
Zoiper
MicroSIP
Jitsi
Skype
Sipdroid
Sipnetic
MizuDroid
RingCentral
Dialpad
Aircall
Nextiva
Grasshopper
CallHippo
VoIPstudio
JustCall
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Linphone RingCentralLinphone might be a bit more popular than RingCentral. We know about 4 links to it since March 2021 and only 3 links to RingCentral. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Well I can tell you that any SIP program can do this, one that comes to mind is Linphone. But you do need a provider. Almost all providers deal with UDP. You might be able to find one that transmits over tcp but that’ll be a very small list. TCP isn’t reliable for VoIP, for media anyway. At best you’ll find one that encrypts the signaling over TLS, which is TCP. But audio, even if encrypted too, is done over UDP.... Source: over 1 year ago
Does Linphone (https://linphone.org/) not meet that need of cross platform (website claims versions for all major OS'es) and open source (https://gitlab.linphone.org/BC/public/linphone-desktop)? - Source: Hacker News / over 1 year ago
Similarly, you can use any SIP (VoIP) provider (e.g. VOIPo Cloud), and configure the SIP account details in your native phone app. This way you will also be able to use a SIP softphone on your computer (e.g. LinPhone on Linux or Telephone on Mac), or even a real SIP phone in your home. Depending on your SIP plan you may or may not be able to make international calls this way. Source: over 2 years ago
I heard on RFD Fonus is using linphone.org to code their service. Source: almost 3 years ago
Systems like 8x8/RingCentral/Vonage or even Voip.ms might be ideal for you. Source: over 2 years ago
I saw www.calltrackingmetrics.com ; ringcentral.com ; twilio.com ; Zadarma. At this moment it seems that calltrackingmetrics seems to be the first solution I would try because they put in front of their ads the fact to track with google ads. Twilio seems to be too much complex to use and they don't have an iPhone app ; ringcentral I don't know and Zadarma seems good. Source: almost 3 years ago
I use unitelvoice.com. It works fine has an app and can forward to my cell number. Used to use ringcentral.com it was fine when it worked but support was crap. Source: about 3 years ago
Zoiper - Cross-platform VoIP softphone dialer for SIP and IAX systems
Dialpad - Switch is a cloud-based phone system built for Google Apps users.
MicroSIP - MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack.
Aircall - Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs
Jitsi - Open-source video calling and chat platform.
Nextiva - Business VoIP, cloud phone systems trusted by more than 150,000 companies. Powered by the leading cloud PBX VoIP platform, Nextiva is rated the best business VoIP service provider.
