Many iPhone users encounter a frustrating issue where the device cannot make or receive calls, yet SMS messaging remains fully functional. This specific combination of symptoms typically points to a configuration or network issue rather than a complete service failure.
Below is a quick reference table that helps distinguish likely causes and immediate actions when calls fail but texts succeed.
| Symptom | Probable Cause | Quick Check | Priority Action |
|---|---|---|---|
| No call service, texts work | VoLTE disabled or network settings issue | Settings indicate LTE/5G and VoLTE toggles | Toggle Airplane Mode, update carrier settings |
| Outgoing calls fail, incoming blocked | Do Not Disturb or call barring enabled | Check Control Center and Settings | Disable Do Not Disturb, verify call restrictions with carrier |
| Calls drop after answering, texts OK | Weak signal or network congestion | Look at signal bars and try different location | Move to open area or contact carrier for tower status |
Enable VoLTE and Check Core Calling Settings
Verify Cellular and Network Configuration
VoLTE (Voice over LTE) is essential for calls on modern iPhones using LTE or 5G. If your iPhone wont make or receive calls but can text, VoLTE may be turned off or your carrier settings may need an update. Confirm that both cellular data and VoLTE are enabled in Settings, and ensure your device is running the latest iOS version to avoid compatibility issues that block voice while allowing data services.
Test Airplane Mode and Reset Network Settings
Toggling Airplane Mode on and off can refresh your connection to the cellular network and often resolves temporary call failures. If that does not help, resetting network settings will clear stored carrier and Wi-Fi configurations, which can resolve glitches affecting calls but not SMS. Remember that this will erase saved networks, so be prepared to reconnect to Wi-Fi afterward.
Diagnose Do Not Disturb and Call Restrictions
Check Do Not Disturb and Silent Mode
Do Not Disturb can block incoming calls while allowing messages to come through, mimicking the symptom where calls fail but texts succeed. Confirm that Do Not Disturb is off, the Ring/Silent switch is set to RING, and your iPhone is not configured to silence unknown callers, which can inadvertently redirect calls to voicemail or block them entirely.
Review Call Barring and Carrier Settings
Some carriers support call barring features that prevent specific types of calls. Check your carrier settings or account to ensure call barring is not active. If certain numbers fail while others go through, this is a strong indicator that call restrictions or a provisioning issue on the carrier side are responsible for the selective call failure.
Troubleshoot Signal and SIM Card Issues
Evaluate Physical Signal Strength
A weak or inconsistent cellular signal can prevent calls from being established while data and SMS continue to work. Move to an area with better line of sight to a tower, remove any thick case or metal interference, and observe whether the signal bars improve. If calls work elsewhere but not at your location, the issue may be related to local coverage rather than the device.
Inspect SIM Card and Carrier Profile
A damaged or improperly seated SIM card can lead to inconsistent service, including the inability to make calls. Remove the SIM, inspect it for damage, and reinsert it firmly. If problems persist, contact your carrier to verify that your account and carrier profile are active and that there are no outages affecting voice services in your area.
Recommended Actions for Restoring Full Calling
- Confirm that VoLTE is enabled in Settings.
- Toggle Airplane Mode to refresh the network connection.
- Update iOS and carrier settings to the latest versions.
- Check for call barring or restrictions in your carrier account.
- Inspect and reseat the SIM card if you suspect hardware seating issues.
- Contact your carrier to verify service status and provisioning.
- Reset network settings as a final software troubleshooting step.
FAQ
Reader questions
Why can I send and receive texts but not phone calls on my iPhone?
This usually happens when VoLTE is disabled, network settings are corrupted, or call barring is active. SMS uses a separate channel that often remains functional even when voice services are disrupted.
What should I do first when my iPhone wont make or receive calls but can text?
Start by toggling Airplane Mode on and off, then check that VoLTE is enabled and your carrier settings are up to date. These steps resolve many cases of voice failure while messaging continues.
Can a software update fix the issue of calls failing while texts work?
Yes, updating iOS can repair bugs in the cellular stack or VoLTE implementation that block calls. After updating, restart your device and test calls again.
Will resetting network settings delete my photos and messages?
No, resetting network settings will not delete photos, messages, or apps. It will erase saved Wi-Fi networks, VPN configurations, and cellular settings, so be prepared to reconnect to Wi-Fi after the reset.