You usually can’t call someone on WhatsApp while they can still call you when something on your side is blocking only outgoing calls (permissions, network, or account limitations), while incoming calls still slip through.

Common Reasons This Happens

1. App permissions are blocking calls

WhatsApp needs phone, microphone, and sometimes contacts permissions to start a call, but incoming calls can still ring even if some of these are off.

  • Phone/Call permission off → you can’t start a voice call, but you can receive.
  • Microphone permission off → call may “connect” but instantly fail or be silent.
  • On iPhone, Screen Time / Restrictions can silently block call actions while still allowing messages.

Fix idea:

  • Android: Settings → Apps → WhatsApp → Permissions → enable Phone, Microphone, Contacts, Network.
  • iPhone: Settings → WhatsApp → enable Microphone, Contacts, Background App Refresh, Mobile Data.

2. Network / data rules that only hurt outgoing calls

Unstable or restricted internet can stop your phone from initiating a VoIP call even though an incoming call from the other side can sometimes connect over their stronger link.

Typical cases:

  • Very weak Wi‑Fi or mobile data on your side, but the other person has good internet.
  • VPN or company / school Wi‑Fi that blocks VoIP outbound but lets some inbound traffic through.
  • Data Saver or low‑data modes limiting background or high‑bandwidth actions for WhatsApp.

Fix idea:

  • Toggle Airplane Mode on/off once, then retry.
  • Switch between Wi‑Fi and mobile data and test again.
  • Try from a different network (home vs office or public Wi‑Fi).
  • Turn off VPN and any special firewall or “secure Wi‑Fi” app.

3. Do Not Disturb, Focus, or battery/data savers

Some system modes let messages come in but interfere with starting or maintaining calls.

On your device:

  • “Do Not Disturb” or Focus modes can treat calls differently than notifications.
  • Battery Saver / Power Saving / background restrictions can stop WhatsApp from maintaining an active connection for outgoing calls.
  • Data Saver modes (both system and inside WhatsApp) can throttle VoIP traffic.

Fix idea:

  • Turn off Do Not Disturb / Focus, then try calling.
  • Disable Battery Saver and Data Saver and reopen WhatsApp.

4. App glitches, old version, or cache issues

Sometimes you’re just hitting a bug on your app install.

Common patterns:

  • Calls fail immediately with “Call failed,” but other person calls you fine.
  • Calls work for other contacts but not one specific person.
  • After you updated your OS, WhatsApp got unstable until you update it too.

Fix idea:

  1. Force close WhatsApp and reopen it.
  1. Restart your phone.
  1. Update WhatsApp from the Play Store / App Store.
  1. Android only: clear WhatsApp cache (Settings → Apps → WhatsApp → Storage → Clear Cache).
  1. If still broken, backup chats and reinstall WhatsApp.

5. Account / contact issues (block, region, or third‑party apps)

Sometimes the asymmetry comes from how WhatsApp sees your account or environment.

  • You are using a third‑party/modified WhatsApp (GB, FM, etc.), which can break calling or get limited.
  • You’re in a country or network that restricts VoIP more strictly on outgoing than incoming, especially when VPN is involved.
  • Rare: WhatsApp-side issues or temporary calling restrictions on your account.

Fix idea:

  • Use only the official WhatsApp from Play Store / App Store.
  • If calls fail for everyone you try to call, check WhatsApp Status pages or tech news to see if there’s an outage.

Quick Step‑By‑Step Checklist

You can walk through this like a mini troubleshooting script:

  1. Test another contact
    • Try calling a different person.
    • If it works, the issue may be on that one person’s side (or in that chat thread).
  2. Check permissions
    • Ensure Phone/Call, Microphone, Contacts, and Mobile Data are allowed for WhatsApp.
  1. Check modes & savers
    • Turn off Do Not Disturb / Focus, Battery Saver, and Data Saver.
  1. Fix the network
    • Switch between Wi‑Fi and mobile data, or try another network.
 * Turn off VPN or corporate firewall Wi‑Fi for testing.
  1. Refresh the app
    • Restart phone.
    • Update WhatsApp.
    • (Android) Clear WhatsApp cache.
  1. Last resort
    • Backup chats, reinstall WhatsApp.

Forum‑Style Take: What Others Say

People in tech help forums and comment sections describe very similar patterns in 2024–2025:

  • Outgoing calls fail or never connect, but incoming calls from the same contact work normally.
  • Fixes are almost always some mix of permissions, network changes, and updates, not mysterious “WhatsApp bans.”

You’ll also see stories like:

“I could receive WhatsApp calls, but every time I tried calling out, it would instantly fail. Turning off my VPN and giving Phone permission to WhatsApp fixed it.”

This lines up well with what official guidance and tech sites list as the main WhatsApp calling issues and solutions.

SEO Bits (Focus Phrase Usage)

If you’re writing about this, you can naturally weave your main phrase in, like:

  • “If you’re wondering why can’t I call someone on WhatsApp but they can call me , it usually comes down to app permissions or a network problem on your side.”
  • “This has become a small trending topic in tech help and forum discussion spaces lately as more people rely on WhatsApp calls daily.”

It’s still a common, everyday issue in 2025–2026, so it fits “latest news” style troubleshooting content around widely used messaging apps.

TL;DR

If someone can call you on WhatsApp but you can’t call them, start by fixing your own permissions and network, then update/refresh the app. In most cases, one of those steps solves it without needing to change anything on their phone.

To tailor this better: what device are you on (Android or iPhone), and what exactly happens on screen when your WhatsApp call fails (e.g., “ringing forever,” “call failed,” or nothing happens)?