What is Sipnetic?
Sipnetic is a free SIP softphone for Android developed by the same team behind Overt (formerly Groundwire). It offers excellent push notification support, TLS/SRTP encryption, and reliable background operation.
Key Features
- ✓ Free with no ads
- ✓ Push notifications for incoming calls
- ✓ TLS/SRTP encryption
- ✓ Multiple SIP accounts
- ✓ G.711, G.729, Opus codecs
- ✓ Call recording
- ✓ Contact integration
- ✓ Low battery consumption
Why Sipnetic? Unlike Zoiper Free, Sipnetic includes push notifications and encryption at no cost. It is the best free Android softphone available.
Download & Install
Download from Google Play
Free - Android 6.0+
Requirements: Android 6.0 (Marshmallow) or higher. Works on phones and tablets.
Configuring Sipnetic for IPComms
Open Sipnetic
Launch the app and tap Settings (gear icon) then SIP Accounts
Add New Account
Tap the + button to add a new SIP account
Enter IPComms Settings
| Field | Value |
|---|---|
| Account Name | IPComms |
| Username | [your IPComms username] |
| Password | [your IPComms password] |
| Domain | sip.ipcomms.net |
| Display Name | [your name] |
Save and Connect
Tap Save. The account should show as registered (green status).
Enable Push Notifications
Push notifications allow Sipnetic to receive incoming calls even when the app is closed, saving battery while staying reachable.
Go to Settings > SIP Accounts > [Your Account]
Scroll to Push Notifications and enable it
Allow all notification permissions when prompted
Note: Push notifications require IPComms to support the push proxy. Contact support@ipcomms.net if you have issues receiving calls when the app is closed.
Codec Settings
Configure codecs for optimal call quality with IPComms.
| Priority | Codec | When to Use |
|---|---|---|
| 1 | G.711 ulaw | WiFi - best quality |
| 2 | Opus | Variable network conditions |
| 3 | G.729 | Cellular/low bandwidth |
Battery Optimization
Prevent Android from killing Sipnetic in the background:
- ✓ Go to Android Settings > Apps > Sipnetic > Battery
- ✓ Select "Unrestricted" or "Don't optimize"
- ✓ On Samsung: Disable "Put app to sleep"
- ✓ On Xiaomi: Enable "Autostart" permission
Troubleshooting
Registration Failed
Check username/password. Ensure domain is sip.ipcomms.net. Try UDP instead of TLS.
No Audio / One-Way Audio
Enable STUN server: stun.ipcomms.net. Check microphone permissions.
Calls Don't Ring When App Closed
Enable push notifications. Disable battery optimization. Check notification permissions.
Ready to Start Calling?
Get your IPComms SIP trunk and start using Sipnetic today. Free test trunks available.