hello,
please check this doc
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i need code to test my back Udp + Tcp connection to my sip server
with show error
Error = {
TRYING = 100,
RING = 180,
TIMEOUT = 408,
BUSY = 486,
DECLINE = 603,
OK = 200,
UNAUTHORIZED = 401,
FORBIDDEN = 403,
NOTFOUND = 404,
PROXY_AUTH_REQUIRED = 407,
}