SIP-INVITE reply with CANCEL

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Armache Antoni

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Jun 11, 2020, 12:09:58 AM6/11/20
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Hi guys,

Hope all is well. I need to implement this flow in my app.

[I receive SIP-INVITE]

THEN

[I reply with SIP-RESPONSE-CANCEL]

Could anyone show me source or example to create a CANCEL response from or within the Invite event ?

Br.

tom uijldert

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Jun 11, 2020, 3:37:54 AM6/11/20
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What kind of app?

SLEE SBB?

SIP servlet?

Other?

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Armache Antoni

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Jun 11, 2020, 6:37:24 AM6/11/20
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tom uijldert

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Jun 11, 2020, 6:54:04 AM6/11/20
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I just actually read the question, one cannot CANCEL a received INVITE. Only one that has been sent.

So what are u trying to achieve here?

蕭聖融

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Jun 11, 2020, 8:20:43 AM6/11/20
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Dear,Armache Antoni
which jain-slee release-version you  use?
I am reseaching Voip,
May I know how to setup jain-slee.

Thanks.


Armache Antoni於 2020年6月11日星期四 UTC+8下午12時09分58秒寫道:

Armache Antoni

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Jun 15, 2020, 9:00:38 AM6/15/20
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Hi,

According to my supervisor, he show me a flow whereby we receive INVITE  and we supposed to reply with CANCEL.....

As you said earlier it's not possible, but is there anyway i can reply to INVITE request with something similar to CANCEL ?

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tom uijldert

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Jun 15, 2020, 9:28:45 AM6/15/20
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According https://tools.ietf.org/html/rfc3261, any final response in th3 4xx,5xx,6xx range will do.

The ones that most comes to mind are: 410, 480, 486 and 487

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