About OnSIP
Your business calls on-the-go: the official softphone by OnSIP.
OnSIP brings your business phone to you, whether you're at the office, at a client's site, or working remotely. Connect with customers, partners, vendors, and coworkers from your OnSIP account on your Android phone.
With OnSIP, you can take advantage of standard business phone features without the additional hardware. Make and receive HD voice and video calls, monitor contact availability, check recent call history, and manage your voicemail in one simple interface.
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What's new in the latest 2.2.1
Last updated on Aug 27, 2026
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Old Versions of OnSIP
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