484
SIP
484 Address Incomplete
The Request-URI was incomplete. The server needs additional digits or information to route the call.
On this page
When You See This Code
When dialing a partial phone number that the server cannot resolve. Common in PSTN gateway scenarios with overlap dialing.
How to Fix
Provide the complete destination address. Add missing digits or domain information to the Request-URI.
Specification
Compare With
Guides
401 Unauthorized vs 403 Forbidden: When to Use Each
Security & Authentication
SIP Response Codes: Understanding VoIP Call Flow
Real-Time Protocols
SIP Call Flow: Understanding Session Setup
Real-Time Protocols
WebRTC Signaling with SIP and WebSocket
Real-Time Protocols
RFC 3261: SIP Protocol Deep Dive
Protocol Deep Dives
TLS 1.3: Faster, Simpler, More Secure
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Frequently Asked Questions
What is SIP 484 Address Incomplete?
The Request-URI was incomplete. The server needs additional digits or information to route the call.
When do you see SIP 484 Address Incomplete?
When dialing a partial phone number that the server cannot resolve. Common in PSTN gateway scenarios with overlap dialing.
How to fix SIP 484 Address Incomplete?
Provide the complete destination address. Add missing digits or domain information to the Request-URI.