SIP 100 Trying vs 305 Use Proxy
SIP 100 (Trying) is a 1xx Provisional response, while 305 (Use Proxy) is a 3xx Redirection response. 100 indicates that the request has been received by the next-hop server and an unspecified action is being taken to process it. The UAC should expect additional responses. In contrast, 305 means that the requested resource must be accessed through the proxy given by the Contact header field.
Deskripsi
The request has been received by the next-hop server and an unspecified action is being taken to process it. The UAC should expect additional responses.
Ketika Anda Melihatnya
Immediately after sending an INVITE. The proxy has received the call and is searching for the callee. This is the SIP equivalent of a dial tone.
Cara Memperbaiki
No fix needed — this is normal call setup behavior. If stuck on 100 Trying for too long, check network connectivity and proxy configuration.
Deskripsi
The requested resource must be accessed through the proxy given by the Contact header field.
Ketika Anda Melihatnya
When the request must be routed through a specific outbound proxy server.
Cara Memperbaiki
Resend the request through the proxy specified in the Contact header of this response.
Perbedaan Utama
100 is a 1xx Provisional response, while 305 is a 3xx Redirection response.
SIP 100: The request has been received by the next-hop server and an unspecified action is being taken to process it. The UAC should expect additional responses.
SIP 305: The requested resource must be accessed through the proxy given by the Contact header field.
You encounter 100 when immediately after sending an INVITE. The proxy has received the call and is searching for the callee. This is the SIP equivalent of a dial tone.
You encounter 305 when when the request must be routed through a specific outbound proxy server.
Kapan Menggunakan Yang Mana
For 100 (Trying): No fix needed — this is normal call setup behavior. If stuck on 100 Trying for too long, check network connectivity and proxy configuration. For 305 (Use Proxy): Resend the request through the proxy specified in the Contact header of this response.