[OpenSIPS-Users] any reason why Opensips would replace 503 with 500 ?

[Julien Chavanton]

Hi, is there any reason why Opensips would replace 503 with 500 ?
 
The UA initiating the call expect 503 to reroute somewhere else
 
INVITE :
 
 10.0.20.14(UA) -> 10.2.0.1(Proxy) -> 10.0.4.202(UA)
 
RESPONSE :
 
U 10.0.4.202:5060 -> 10.2.0.1:5060
SIP/2.0 503 Service Unavailable.
 
U 10.2.0.1:5060 -> 10.0.20.14:53584
SIP/2.0 500 Service Unavailable.
 
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