I realise that I made an error in my drawing.
1. dialog uniqueness
Alice calls Bob
->INVITE
call-id: 1
from: alice@atlanta;tag=1
to: bob@boston
<- 200
call-id: 1
from: alice@atlanta;tag=1
to: bob@boston;tag=2
-> ACK
call-id: 1
from: alice@atlanta;tag=1
to: bob@boston;tag=2
Bob does a session refresh
<- INVITE
question in on the from tag and the to tag.
should it be
<- INVITE
callid: 1
*from: alice@atlanta;tag=1 to: bob@boston;tag=2*
or
<- INVITE
call-id: 1
*to**: alice@atlanta;tag=1 from: bob@boston;tag=2*
or
are both the same dialog (call-id + the 2 tags) ?
On 2/12/2022 17:34, Ovidiu Sas wrote:
The tag belongs to the SIP endpoint and does not change.
Take a look here at an example:
https://datatracker.ietf.org/doc/html/rfc3665#section-3.7
Regards,
Ovidiu Sas
On Fri, Dec 2, 2022 at 11:23 AM johan<jo...@democon.be> wrote:
1. dialog uniqueness
Alice calls Bob
->INVITE
call-id: 1
from: alice@atlanta;tag=1
to: bob@boston
<- 200
call-id: 1
from: alice@atlanta;tag=1
to: bob@boston;tag=2
-> ACK
call-id: 1
from: alice@atlanta;tag=1
to: bob@boston;tag=2
Bob does a session refresh
<- INVITE
question in on the from tag and the to tag.
should it be
<- INVITE
callid: 1
from: alice@atlanta;tag=1
to: bob@boston;tag=2
or
<- INVITE
call-id: 1
from: alice@atlanta;tag=1
to: bob@boston;tag=2
or
are both the same dialog (call-id + the 2 tags) ?
2. reinvite
Secondly,
when opensips is used as b2bua scenario as below
A opensips B
-> invite ->invite
<-200 <- 200
-> ack ->ack
... ....
<-reinvite for keeeping session
alive.
Is there a way that I can let respond opensips 200 OK on the reinvite without
forwarding the request to A ?
so I want
A opensips B
-> invite ->invite
<-200 <- 200
-> ack ->ack
... ....
<-reinvite for keeeping session
alive.
->200
instead of
A opensips B
-> invite ->invite
<-200 <- 200
-> ack ->ack
... ....
<-reinvite for keeeping session
alive.
<- reinvite
-> 200 ->200
wkr,
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