Hi Bogdan,
OK. Got it. One more to question to understand the snippet you gave..
I have just commented my understanding of each snippet at the same line.
I don't get why we need setflag(FLAG_180); after we drop the response.
if ($rs==180) { //We are checking response is equal to 180
if (isflagset(FLAG_180)) // Checking the flag is set or not. If response is
180, flag will be set
drop(); //If set we are dropping the consecutive same
response.
setflag(FALG_180); ??
}
(P.S) I tested without setting the flag after drop response. In this case it
forwards both 180 response back to caller.
Am curious how it controls it.
Is onreply_avp_mode controls dropping the 2nd response or setflag(FLAG_180);?
I want to be clear on what am working with. Hence posting you this question.
Regards,
Agalya
From: Bogdan-Andrei Iancu [mailto:bog...@opensips.org]
Sent: Monday, June 13, 2016 12:13 PM
To: Ramachandran, Agalya (Contractor) <agalya_ramachand...@comcast.com>;
OpenSIPS users mailling list <users@lists.opensips.org>
Subject: Re: [OpenSIPS-Users] Provisional response handling in case of forking
Hi Agalya,
It is not a predefine flag. And you do not have to define the flags in
OpenSIPS. Just pickup a name and start using it in script.
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 13.06.2016 17:27, Ramachandran, Agalya (Contractor) wrote:
Hi Bogdan,
Thank you for your kind response. I will try the logic you told me. But I have
a question in the below logic.
"FLAG_180", is this something declared and maintained by opensips and set by
default on its own if Ringing response is received or we need to define this
flag explicitly ?
E.g for setting NAT flag, we are using 'usrloc' module and 'nat_bflag' as
parameter and then value.
modparam("usrloc", "nat_bflag", "NAT")
Likewise if we need to define explicitly, what is the module in which we need
to define the flag for FLAG_180?
Regards,
Agalya
From: Bogdan-Andrei Iancu [mailto:bog...@opensips.org]
Sent: Monday, June 13, 2016 6:31 AM
To: OpenSIPS users mailling list
<users@lists.opensips.org><mailto:users@lists.opensips.org>; Ramachandran,
Agalya (Contractor)
<agalya_ramachand...@comcast.com><mailto:agalya_ramachand...@comcast.com>
Subject: Re: [OpenSIPS-Users] Provisional response handling in case of forking
Hi Agalya,
Use the onreply route (be sure to onreply_avp_mode to be set to 1 - see
http://www.opensips.org/html/docs/modules/2.2.x/tm.html#id294290) in
combination with flags, to record when the an 180 reply was set.
Like:
if ($rs==180) {
if (isflagset(FLAG_180))
drop();
setflag(FALG_180);
}
The onreply_avp_mode 1 will ensure that the onreply route will not overlap for
2 replies .
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 10.06.2016 23:07, Ramachandran, Agalya (Contractor) wrote:
Hi team,
We are using opensips for our project and we are currently using opensips as
proxy.
Am forking the incoming sip call, to two destinations. It Rings in both Dest A
and Dest B, as a result I get two 180 Ringing response from A and B.
I want to filter only the first incoming 180 Ringing response and send to the
actual caller. Is there a way to do this in opensips config file?
I have seen drop() function which drops the complete provisional response. But
in my case I have to forward one 180 Ringing to the caller.
Can it be achieved by the changes in config file? Please guide me.
Regards,
Agalya
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