503
SIP
503 Service Unavailable
The server is temporarily unable to process the request due to overloading or maintenance. The client should retry after the time indicated in the Retry-After header.
Bu Kodu Gördüğünüzde
During server overload, maintenance windows, or when the server is rate-limiting requests. Common during traffic spikes.
Nasıl Düzeltilir
Wait for the time specified in the Retry-After header. If persistent, check server capacity and consider load balancing across multiple SIP proxies.
Spesifikasyon
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