2025 Best Free VoIP SIP Softphone on Android Phone

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2025 Best Free VoIP SIP Softphone on Android Phone

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Android phones generally support running SIP applications in the background. With proper configuration in the power management and notification settings, the softphone process can remain active, allowing users to receive calls even when the phone is in sleep mode.

In contrast, the iPhone kills background apps after a period of time unless they use Apple’s notification service to stay active. However, this feature requires app developers to pay Apple to use the service.

Here are some free SIP softphone apps for Android devices:

1. MizuDroid SIP VOIP Softphone

   • Description : MizuDroid is a free, unlocked, professional SIP softphone that is compatible with any SIP server or VoIP provider. It offers features such as multiple SIP accounts, HD audio, call recording, and integration with local contact lists.
   • More information : MizuDroid official website

2. Linphone

   • describe :
     • Open Source 
     • Audio and video calls
     • Instant Messaging
     • Compatible with various platforms.
     • Multiple audio and video codecs
     • End-to-end encrypted communication
     • Multiple accounts and auto-responders 
   • More information : Linphone official website

3. Shipdroid

   • Description : Sipdroid is a free and open source SIP/VoIP client for Android that allows users to make VoIP calls over Wi-Fi or mobile data. It supports TLS encryption for enhanced security.
   • Download : Sipdroid on GitHub

4.  Zoiper

• • Zoiper is another great SIP softphone for Android that is widely used for VoIP communications. 

feature:

• • SIP and IAX support : Works with SIP providers and Asterisk-based systems.
  • Wide compatibility : Supports a variety of codecs, including G.711, G.722, iLBC, GSM, and Speex.
  • Encryption : TLS, SRTP, and ZRTP end-to-end encryption are provided to ensure call security.
  • VoIP over 3G/4G/Wi-Fi : Designed to work efficiently over mobile networks.
  • Contacts Integration : Synchronizes with your phone’s contact list and displays your contacts’ availability and online status information.
  • Cross-platform : Also available for Windows, macOS, iOS, and Linux.

download:

• • Zoiper Official Website

Zoiper is a solid choice with a modern interface and excellent support for a variety of VoIP services. It’s particularly popular for its user-friendly design and easy setup, but some useful features, such as Auto Answer , are not available in the free version of Zoiper .

Free vs. Paid:

• The free version has basic SIP functionality and is suitable for most users.
• The paid version includes additional features such as call recording, push notifications, and support for advanced codecs (such as G.729 ), or additional purchases over the free version.

Please note that while the Apps are free to download and use, certain features or services within the Apps may require payment.

Recommended software phone: Grandstream Wave lite

Grandstream is a well-known VoIP solution provider that has surprised users with its Grandstream Wave Lite application, a powerful free software phone. In other similar applications, many features usually require paid or premium upgrades.

However, Grandstream has stopped the app from being available for download on Google Play. While the app is still available on some third-party app stores, users should be cautious using these sources due to potential security risks.

A significant advantage of Grandstream Wave Lite for Android is that it can run continuously in the background, effectively turning an Android phone into a viable replacement for a desktop IP phone in the office.

In contrast, iPhone users face some limitations when using the app. On iOS, the operating system typically terminates the app when the device goes to sleep. Features like auto-answer and intercom/paging only work when the iPhone is active, which reduces its usefulness in certain situations.

Despite these differences, the Grandstream Wave Lite is still a good choice for users seeking a feature-rich, cost-effective VoIP solution.

Grandstream Wave lite highlights:

• Completely free: no in-app purchases required.

• Free G729, G722 and Opus codecs: very useful when cell phone signal is strong

• Support SIP SMS: This function is similar to mobile phone SMS, but you may not receive SMS from some banks or government agencies, such as SMS verification.

• Support video calls and conferences

• Support hands-free “internal intercom”: this function needs to be enabled on the PBX (FreePBX)

• Support paging (force to turn on the Android phone speaker when paging)
  • Settings ➡ Account Settings ➡ Edit Account ➡ Auto Answer 
  • Auto Answer: Change “No” to ” Enable Intercom/Paging ”  

• Bluetooth Speaker : You can connect your Android phone to a Bluetooth speaker to get louder sound when paging, but the Bluetooth speaker needs to support phone voice.

2025 Best Free VoIP SIP Softphone on Android Phone

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