Vetted Score
4.6
/ 5.0
Earns 4.6/5 for its zero‑cost model, cross‑platform mobile support, and reliable SIP performance, though it lacks a desktop client.
Key Features
HD Voice Calls
Crystal‑clear high‑definition audio for all SIP calls.
Multiple SIP Account Support
Manage several SIP accounts simultaneously with easy switching.
Call Transfer & Hold
Full call control features including blind/attended transfer, hold, and conference.
Frequently Asked Questions
Yes, Grandstream Wave is free to download and use on supported mobile devices without any subscription fees.
The app is available for iOS and Android smartphones and tablets.
Yes, you can add and switch between multiple SIP accounts within the app.
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Specifications
Pricing Model
100% free for personal and business use; no subscription required.
Supported Platforms
iOSAndroid