Free Acrobits Softphone Alternatives
Linphone is one of the most famous open source softphones in the world. It is fully SIP-based, for all calling, presence and IM features.
- - Linphone is the most popular Windows, Android, Mac & iPhone alternative to Acrobits Softphone.
- - Linphone is the most popular Open Source & free alternative to Acrobits Softphone.
MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack. It allowing to do high quality VoIP calls (P2P or on regular telephones) via open SIP protocol. From cloud of SIP providers you can choose best for you, register account and use it with MicroSIP. You'.
The 3CX Phone System is the software-based private branch exchange (PBX) Phone system based on the SIP (Session Initiation Protocol) standard and enables extensions to make calls via the public switched telephone network (PSTN) or via Voice over Internet Protocol (VoIP) services...
- - 3CX is the most popular Web-based & Self-Hosted alternative to Acrobits Softphone.
Zoiper IAX & SIP multilanguage and multiplatform (Windows, Linux and Mac OS X) softphone is a VoIP soft client, meant to work with any IP-based communications systems and infrastructure.
Telephone allows you to make phone calls over the Internet or your company network. If your phone line supports SIP protocol, you can use it on your Mac instead of a physical phone anywhere you have a decent network connection.
YateClient is a free Voip Client (SIP / IAX / GVoice) and Instant Messenger (Facebook / GTalk / Jabber), with it you're permanently connected on multiple chat and telephony accounts.Discontinued
The project is no longer developed. Last version, 5.5.0, released in 2015, can be still downloaded from Wayback Machine, other websites host previous versions.
Q-municate is a cross-platform app with a wide range of communication features including free messaging, file transfer, push notifications, audio/video calls.
Vodia Phone app is a free add-on for your Vodia PBX that lets you connect to your account on your Vodia PBX. Starting with Android 5.0 Lollipop, based on the WebRTC technology.