It is mandatory to send a 100 Trying if the request cannot be replied
immediately by the proxy server, which is almost always true in case of
INVITE.
Jan.
On 09-08 11:14, zolia(a)z1sys.com wrote:
Hello,
is "100 Trying" provisional message REQUIRED in all implementations? If
not, is it possible to switch off this SER feature.
Antanas
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