CONNECTIVITY STATUS
Signal in Iran
Blocked
Signal is blocked in Iran due to government firewall restrictions and app-store unavailability. The app cannot be reliably accessed or used for messaging or calls without circumvention tools.
Last verified: July 2026
Signal is blocked in Iran and cannot be used for messaging or calls.
FEATURE BREAKDOWN
Current Status in Iran
Signal is fully blocked across all features in Iran.
- Blocked
Voice Calls
Voice calls via Signal are blocked by Iran's national firewall. The app cannot establish connections for voice communication.
- Blocked
Video Calls
Video calling is blocked by Iran's firewall restrictions. The feature is inaccessible regardless of network type.
- Blocked
Messaging
Text messaging via Signal is blocked. The app cannot be accessed or used for any messaging purpose in Iran.
- Not Supported
PSTN Calling
Signal does not support calling landlines or mobiles. Sayfone provides PSTN calling as a reliable alternative.
TECHNICAL & REGULATORY REASONS
Why Signal Is Blocked
Signal is blocked due to Iran's firewall and regulatory restrictions on foreign messaging apps.
National Firewall (Deep Packet Inspection)
Iran's government operates a sophisticated firewall that blocks encrypted messaging apps including Signal. The system uses deep packet inspection to identify and block Signal's traffic patterns and server connections.
App Store Restrictions
Signal is not available on Iranian app stores. Users cannot download the app through official channels, making installation difficult and risky.
Regulatory Policy
Iran restricts foreign messaging apps to promote domestic alternatives and maintain government oversight of communications. Signal's encryption and privacy focus conflict with these policies.
OTHER OPTIONS
Alternatives People Try
Users in Iran try various alternatives to Signal, with mixed success.
Telegram
partialTelegram is partially accessible in Iran but faces intermittent blocking and throttling. Users often rely on VPNs for reliable access.
WhatsApp
partialWhatsApp works inconsistently in Iran; messaging may function but calls are often blocked or degraded.
Sayfone
yesSayfone routes calls over PSTN and works reliably in Iran without requiring the recipient to have any app installed.
VPN Services
partialVPNs can temporarily bypass blocks but are monitored by authorities and may be throttled or blocked themselves.
Botim
yesBotim is a licensed local app in Iran that works reliably for messaging and calls within the country.
VPN CONSIDERATIONS
Can You Use a VPN to Unblock Signal?
VPNs can temporarily bypass Signal's block but carry significant risks in Iran.
While VPNs can theoretically bypass Iran's firewall, using them to access Signal is risky. Iran actively monitors and throttles VPN traffic, and using VPNs for circumvention can have legal consequences.
VPNs are unreliable and risky in Iran. Sayfone provides a safer, legal alternative that works without circumvention.
Using a VPN on Your End
High RiskRunning a VPN to access Signal may work temporarily but Iran's authorities monitor VPN usage. VPN services are frequently blocked or throttled, making this unreliable.
Recipient Using a VPN
Not ApplicableEven if the recipient uses a VPN, Signal still requires both parties to have the app installed and accessible. This does not solve the core blocking issue.
Both Using VPNs
High RiskBoth parties using VPNs adds complexity and risk without solving the fundamental problem. Iran's firewall actively targets VPN traffic patterns.
Sayfone: No VPN Needed
SafeSayfone routes calls over standard PSTN networks and does not require VPNs. It works reliably without circumvention tools or legal risk.
THE BETTER WAY
Sayfone: Call Iran Reliably
Sayfone routes calls over PSTN and works reliably in Iran without app blocks or VPNs.
- Works in Iran without VPN or circumvention tools
- Reach any landline or mobile number in Iran
- Recipient does not need to install any app
- Crystal-clear HD voice quality with adaptive codec
- Affordable rates starting at $0.08 per minute
- No data dependency; works on any phone connection
Active call
Tehran Mobile
+98 (***) ***-7834
Quality
HD Voice
Latency
Standard PSTN routing
Route
Direct PSTN connection
Cost so far
$0.24
FEATURE COMPARISON
How Sayfone Compares
Sayfone offers reliable calling to Iran when Signal and other apps are blocked.
Signal
Signal is blocked by Iran's firewall and cannot be used for any communication.
Telegram
Telegram works inconsistently in Iran and faces frequent throttling or blocking.
Sayfone
Sayfone routes over PSTN and works reliably in Iran without app blocks or VPNs.
DIASPORA ROUTES
Call Iran From Anywhere
Sayfone lets you call Iran from major diaspora hubs worldwide.
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 messaging apps.
Still have questions? Contact our support team for help.
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- Works when apps don't
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