How to Configure Your Mobile Softphone
SIPSTACK supports mobile calling via the Cloud Softphone app (iOS and Android). Once configured, you can make and receive calls on your SIPSTACK number from any mobile device.
Step 1: Download the App
Section titled “Step 1: Download the App”Download Cloud Softphone from your device’s app store:
- Cloud Softphone for iPhone — iOS 14 or later
- Cloud Softphone for Android — Android 8 or later
Step 2: Get Your QR Code
Section titled “Step 2: Get Your QR Code”Your SIPSTACK welcome email includes a QR code that pre-configures the app with your account credentials.
If you no longer have the welcome email, you can request a new QR code by contacting SIPSTACK Support.
Step 3: Scan the QR Code
Section titled “Step 3: Scan the QR Code”- Open the Cloud Softphone app on your mobile device
- Tap the QR code icon or go to Settings → Scan QR
- Point your camera at the QR code from your welcome email
- The app will automatically configure your SIP account
Tip: If scanning from a desktop monitor, open the QR code image on your computer screen at full brightness, then scan it with your phone.
Step 4: Enable Push Notifications
Section titled “Step 4: Enable Push Notifications”To receive incoming calls when the app is in the background, push notifications must be enabled. Follow the guide for your device:
Note: Some Android manufacturers (Samsung, Xiaomi, Huawei) apply aggressive battery optimization that can prevent background call delivery. You may need to add Cloud Softphone to your device’s battery exclusion list to ensure reliable incoming calls.
Troubleshooting
Section titled “Troubleshooting”| Issue | Solution |
|---|---|
| No incoming calls | Check push notifications are enabled and the app is not battery-restricted |
| Can’t scan QR code | Request a new QR code from SIPSTACK Support |
| One-way audio | See VoIP troubleshooting or check your mobile carrier’s VoIP policy |
| Registration failed | Verify your mobile data or Wi-Fi connection; some carrier networks block SIP |