rsw2111 writes:
> 4028 is clear that the supported header in the initial INVITE indicates
> whether or not refreshers are supported by the UAC. In this case, there is
> no Supported header in the initial INVITE, so it can be assumed that the
> A-side does not support refreshers. That being the cas
On 2/11/15 4:17 PM, rsw2111 wrote:
4028 is clear that the supported header in the initial INVITE indicates
whether or not refreshers are supported by the UAC. In this case, there is
no Supported header in the initial INVITE, so it can be assumed that the
A-side does not support refreshers. That
Hi,
Thanks for the response.
We have asked the supplier to explain the 480, but I'm asking more as a
question of sip rfc compliance with regards to the reinvite
i'm not sure what you mean by this:
"Concerning RFC 4028, the session expiration stuff is negotiated again with
every re-INVITE and UPD
> i'm not sure what you mean by this:
> "Concerning RFC 4028, the session expiration stuff
> is negotiated again with every re-INVITE and UPDATE"
It means that the session expiration activation, deactivation, et cetera can
basically change with every successful re-INVITE or UPDATE.
> 4028 is clea
rsw2111 writes:
> I've been debating this with someone, and I'd appreciate some outside input.
> below is the scenario:
>
> A B
> INVITE -> with no supported header
> <--100
> <--18X
> <--200OK with no refresher/session-expires or min-se
> ACK >
> <--INVITE with S
On 2/10/15 4:49 PM, rsw2111 wrote:
Hi,
I've been debating this with someone, and I'd appreciate some outside input.
below is the scenario:
A B
INVITE -> with no supported header
<--100
<--18X
<--200OK with no refresher/session-expires or min-se
ACK >
<--INVITE
> We suspect that the re-INVITE is what's causing the 480.
> This scenario does not seem clear in RFC 4028. can someone
> please clarify and provide proof?
Concerning returning 480 to mid-dialog requests such as re-INVITE, RFC
5057 indicates that RFC 3261 is unclear about what it means. You mi
Hi,
I've been debating this with someone, and I'd appreciate some outside input.
below is the scenario:
A B
INVITE -> with no supported header
<--100
<--18X
<--200OK with no refresher/session-expires or min-se
ACK >
<--INVITE with Session-Expires: 3700;refresher=
