Hi Johan,
Thanks so much!!!
I implemented a module with priority PJSIP_MOD_PRIORITY_TRANSPORT_LAYER+1 to modify the headers and it works perfectly.
However, now I have the issue that I only want modify messages of certain calls. Some calls in my process are normal SIP calls, and some will be using a custom transport adapter and relying on this new sip module. How can I know from the sip module what kind of call this is? Is there a way to flag the call by adding some custom attributes to it? Or is there a way to loop through all the attached transport adapters on a call and see if it is attached and get state from it?
Kal
On Tue, Aug 23, 2016 at 9:51 PM, JOHAN LANTZ <johan.lantz@xxxxxxxxxxxxxx> wrote:
If it was only for calls and messages for instance you could use msg_data but if you want something that automatically works for all messages you can use a pjsip module.
You can check here for how I use it in another scenario:
https://github.com/johanlantz/pj-nat64
If you place a module for instance at PJSIP_MOD_PRIORITY_TRANSPORT_LAYER+1 you can use it to add or manipulate headers in all directions.
Johan
From: pjsip on behalf of b17 c0de
Reply-To: pjsip list
Date: Tuesday 23 August 2016 at 20:19
______________________________To: pjsip list
Subject: Re: [pjsua] Verify response headers
Hi Johan,
Thanks for the help. I will try to get that working. Related to this, I also need to add headers to every SIP request AND response. What is the best way to do this with PJSUA? The headers I want to add will be static (same for every request/response and
never changing). Is there a way to do this directly? I also looked through the PJSUA callbacks, but I didn't see one that could be used for this. Is there a callback mechanism with PJLIB that can be used for this? What is the easiest way?
Kal
On Mon, Aug 22, 2016 at 11:04 PM, JOHAN LANTZ
<johan.lantz@xxxxxxxxxxxxxx> wrote:
Check for
case PJSIP_INV_STATE_CONNECTING:
In the:
on_call_state
callback.
Inside the pjsip_event you have access to the full rdata struct where you can check all the headers.
Johan
From: pjsip on behalf of b17 c0de
Reply-To: pjsip list
Date: Monday 22 August 2016 at 22:10
To: pjsip list
Subject: Re: [pjsua] Verify response headers
To explain my question in more detail:
(1) Client --[INVITE]--> Server
(2) Client <--[TRYING]-- Server
(3) Client <--[OK/200]-- Server
@ Step 3 I need to verify the headers of the 200 response on the client side. If the verification fails, I need to end the call immediately.
On Mon, Aug 22, 2016 at 10:03 PM, b17 c0de
<b17c0de@xxxxxxxxx> wrote:
Hi,
I would like to check/verify the response headers of a SIP INVITE request. If the verification fails I would like to end the call. How can this be done in PJSUA?
Thanks,
Kal
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