[SIPForum-discussion] Query on re-invite port
HM Kias
hmkias at gmail.com
Fri Sep 30 09:52:52 UTC 2011
When hold is initiated in Prod A, could you grep the
a=sendonly
Please advise.
On Thu, Sep 29, 2011 at 2:00 PM, anusha deepti <anusha1987 at gmail.com> wrote:
> Hi folks,
> Can you please tell me which product is at fault here??
>
> Product A Product B
>
> Product A(port 5060) <--- INVITE ---- Product B(Port 47086)
>
>
>
> Product A(port 5060) --- 100 trying ----> Product B(Port 47086)
>
>
>
> Product A(port 5060) --- 180 ringing ----> Product B(Port 47086)
>
>
>
> Product A(port 5060) --- 180 ringing ----> Product B(Port 47086)
>
>
>
> Product A(port 5060) --- 200 OK ----> Product B(Port 47086)
>
>
>
> Product A(port 5060) <--- ACK ---- Product B(Port 47086)
>
>
>
> Product A(port 5060) <--- OPTIONS ---- Product B(Port 47086)
>
>
>
> Product A(port 5060) --- 200 (OPT) ----> Product B(Port 47086)
>
>
>
>
>
>
>
> Till here everything is fine
>
>
>
>
>
>
>
> When HOLD is initiated from Product A
>
>
>
>
>
>
>
> Product A(port 5060) --- INVITE ----> Product B(Port
> 47086)
>
>
> Here Product B expects re-invite on 5060, But it is responding with 100
> trying and 200 OK
>
>
>
> Product A(port 5060) <--- 100 trying ---- Product B(Port 5060)
>
>
>
> Product A(port 5060) <--- 200 OK ---- Product B(Port 5060)
>
>
>
> Is Product B correct in responding from 5060 here instead of 48086?
>
>
>
> Product A(port 5060) --- ACK ---- > Product B(Port 47086)
>
>
>
> Here Product A sends ACK to Product B ephemeral port 47086, Then
> Product B is not forwarding ACK to Product C
>
>
>
> Then Product C is re-transmitting the 200 OK
>
>
>
>
>
>
>
> Product A(port 5060) <--- 200 OK ---- Product B(Port 47086)
>
>
>
> Product A(port 5060) <--- 200 OK ---- Product B(Port 47086)
>
>
>
> Here again Product A receiving 200 OK from Product B from 47086
>
>
>
> And Product A is not sending ACK for these 200 OKs
>
>
> Thank you
> Anusha
>
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>
--
HM Kias
91-9443467600
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