[asterisk-users] How to generate 183 Session Progress

[Marc Leurent]

Hello everybody,
I have 2 users connected on the same Asterisk server that are connected with 2 different Asterisk servers.

For outgoing calls, one in receiving 183 Session Progress and the other not! Do you have any idea why?
Thanks.

I have tried to understand by myself and in their INVITE they have almost the same Allow and Supported SIP Headers

The one that works:
	Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO
	Supported: replaces, timer

The one that doen't work:
	Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
	Supported: replaces

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Marc LEURENT
lftsy at leurent.eu