MESSAGING & CALLING STATUS
Viber is Blocked in Iran
Blocked
Viber is blocked in Iran under government internet filtering and VoIP restrictions. The app cannot be downloaded from local app stores, and calls and messaging are filtered at the ISP level, making it unusable for most users without circumvention tools.
Last verified: July 2026
Viber cannot be used in Iran due to government internet filtering and VoIP restrictions.
FEATURE BREAKDOWN
Current Viber Status in Iran
All Viber features are blocked in Iran due to government filtering and VoIP restrictions.
- Blocked
Voice Calls
Viber voice calls are blocked at the ISP level under Iran's VoIP licensing restrictions. Calls cannot be placed or received.
- Blocked
Video Calls
Video calling is blocked alongside voice calls under the same VoIP filtering mechanism enforced by Iranian carriers.
- Blocked
Messaging
Text and media messaging are blocked; Viber's servers are filtered and the app cannot establish a reliable connection.
- Not Supported
PSTN Out
Viber does not support calling landlines or mobile numbers directly; it is a VoIP-only app and therefore not applicable.
RESTRICTION MECHANISMS
Why Viber Is Blocked in Iran
Iran blocks Viber through government internet filtering and VoIP licensing restrictions.
VoIP Licensing & Regulation
Iran restricts VoIP services to licensed carriers only. Viber, as an unlicensed VoIP app, is blocked at the ISP level to enforce this monopoly and maintain government control over telecommunications.
Government Internet Filtering
Iran's internet filtering system (NEDA) blocks access to Viber's servers and domains. The app cannot connect even if installed, and new versions are filtered as they are released.
App Store Removal
Viber is not available on Iran's official app stores. Users cannot download the app through legitimate channels, and sideloading is technically difficult for most users.
OTHER WAYS TO CALL & MESSAGE
Alternatives People Try
When Viber is blocked, people in Iran try other apps and services—some work better than others.
Telegram
partialTelegram messaging works intermittently in Iran but is frequently throttled and filtered. Calls are blocked. Many Iranians use it despite restrictions.
Signal
partialSignal messaging is accessible but unreliable; the app is periodically blocked and requires workarounds. Calls are blocked.
WhatsApp
partialWhatsApp messaging works but is throttled; calls are blocked. Widely used despite restrictions.
Sayfone
yesSayfone routes calls over PSTN, bypassing VoIP blocks entirely. Works reliably in Iran without requiring the recipient to have an app.
VPN + Viber
partialVPN can sometimes unblock Viber, but performance is poor, connections are unreliable, and VPN use is monitored by authorities.
VPN & CIRCUMVENTION
Can You Use Viber with a VPN in Iran?
VPN can sometimes unblock Viber, but it is unreliable and carries legal and security risks in Iran.
While a VPN may temporarily bypass Iran's filtering, using one to access Viber is risky, unreliable, and potentially illegal. VPN use is monitored, and performance is poor. Sayfone offers a safer, more reliable alternative.
VPN is not a reliable or safe solution for using Viber in Iran. Sayfone is the better choice: it works without VPN, is faster, and carries no legal risk.
VPN on Your End
RiskyA VPN can mask your traffic, but Iranian authorities monitor VPN use. Performance is slow, connections drop frequently, and Viber may still be blocked even with a VPN active.
VPN on Their End
Not ApplicableThe person you are calling in Iran would also need a VPN, which is impractical and risky for them. This is not a viable solution for regular communication.
Sayfone (No VPN Needed)
SafeSayfone routes calls over PSTN, completely bypassing VoIP blocks. No VPN required, no legal risk, and calls work reliably even in restricted networks.
THE BETTER WAY
Call Iran Reliably with Sayfone
Sayfone routes calls over PSTN, completely bypassing VoIP blocks and working reliably in Iran.
- Works in shutdowns and restricted networks—no VoIP blocks apply.
- Reach any landline or mobile in Iran without requiring an app on their end.
- No VPN needed—safe, legal, and fast.
- HD voice quality with adaptive codec for poor connections.
- Affordable rates starting at $0.08 per minute to Iran.
Active call
Mobile in Tehran
+98 (***) ***-****
Quality
HD voice
Latency
Standard PSTN routing
Route
Direct PSTN connection
Cost so far
$0.24
FEATURE COMPARISON
Viber vs. Alternatives vs. Sayfone
How Viber, other apps, and Sayfone compare for calling Iran.
Viber
Viber is completely blocked in Iran and cannot be used for any calls or messaging.
Telegram / WhatsApp
Messaging works intermittently but calls are blocked. Both require the recipient to have the app.
Sayfone
Sayfone routes over PSTN, bypassing all VoIP blocks. Works reliably with any phone in Iran.
DIASPORA ROUTES
Call Iran from Around the World
Sayfone lets you call Iran from major diaspora hubs with reliable PSTN routing.
LEARN MORE
Related Guides
Explore calling rates, restrictions, and other messaging apps for Iran.
COMMON QUESTIONS
Frequently Asked Questions
Answers to common questions about calling Iran and using Viber.
Still have questions? Contact our support team for help.
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Crystal-clear PSTN calls to Iran from your browser — no VPN, no blocked apps, no contract.
- Pay as you go
- HD voice quality
- Works when apps don't
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