[OpenSIPS-Users] Callpickup using EBR

[Bogdan-Andrei Iancu]

Hi Srigo,

I checked the output, but I see no messages/logs from the event_routing 
module. Maybe I got it wrong :( ?

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   http://www.opensips-solutions.com
OpenSIPS Bootcamp 2018
   http://opensips.org/training/OpenSIPS_Bootcamp_2018/

On 10/22/2018 03:31 PM, Srigo Kanapathipillai wrote:
> Hi Bogdan,
>
> Any updates regarding this issue?
>
> Thanks
> Srigo Kana
> On 8 Oct 2018, at 16:58, KSrigo <ksrigo at gmail.com 
> <mailto:ksrigo at gmail.com>> wrote:
>
>     Hi Bogdan,
>
>     - Yes calls to fs and Bob, fs and Charlie are 2 differents calls
>     (different from-tag/call-id).
>     - Yes EBR is done on each fs leg.
>
>     Yes for some reason when David takes the call, Opensips send an
>     Invite to David and Cancel one of fs leg (which is the normal
>     behavior) but then it send again an invite to David and Cancel it.
>     here is debug log: https://pastebin.com/48xqKi3Y
>
>
>     Thanks in advance
>     Srigo
>
>>     On Oct 5, 2018, at 6:08 PM, Bogdan-Andrei Iancu <
>>     bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>>
>>     Hi Srigo,
>>
>>     So, the calls between FS and Bob/Charlie are 2 different SIP
>>     calls, right ? and you do EBR on each of them (on the OpenSIPS
>>     with usrloc, rigth ?
>>
>>     As I understand from your description, the faulty step is the
>>     last one when David takes a CANCEL too, right ? Do you have pcaps
>>     + debug logs for this scenario ?
>>
>>     Regards,
>>
>>     Bogdan-Andrei Iancu
>>
>>     OpenSIPS Founder and Developer
>>     http://www.opensips-solutions.com
>>     OpenSIPS Bootcamp 2018
>>     http://opensips.org/training/OpenSIPS_Bootcamp_2018/
>>
>>     On 10/05/2018 12:40 PM, KSrigo wrote:
>>>     Hi,
>>>
>>>     I'm currently trying to add call pickup feature using
>>>     event_routing module. It seems to work fine when I have only ONE
>>>     inbound call to a given call group but when I have two calls to
>>>     the same call group at the same, It's not working properly
>>>
>>>     Here is my scenario:
>>>
>>>     --> Opensips1 (usr_loc) --> Bob
>>>     Alice --> Opensips1 --> Freeswitch (fork)
>>>     --> Opensips1 (usr_loc) --> Charlie
>>>
>>>     David tries to pickup the phone ringing on Bob and Call (which
>>>     is the same call because it's a fork but different A leg call_id)
>>>     Bob, Charlie and David are in the same pickup group.
>>>
>>>     When Bob and Charlies ring, David dials *0 to pick the call:
>>>     * Opensips immediately send an Invite to David for one of the
>>>     incoming call (randomly choosen). Let's say for Bob
>>>     * Opensips send a Cancel to Bob
>>>     * Opensips send again the previous Invite to David (for the same
>>>     A leg)
>>>     * Opensips send a Cancel to David
>>>
>>>
>>>     Here is my opensips code:
>>>
>>>         dp_translate("DP_FEATURE", "$rU/$rU", "$var(attrs)");
>>>         #Is it a callpickup?
>>>         if($var(attrs) =~ "call_pickup" && $avp(caller_pickup_grp)
>>>     != "") {
>>>             t_newtran(); # 100 Trying is fired here
>>>             send_reply("480","Gone");
>>>
>>>             #extension can belong to multiple group so let's raise
>>>     an event for each group
>>>             $var(p) = 0;
>>>             $var(caller_pickup_grp_len) = 0;
>>>             $var(caller_pickup_grp_len) =
>>>     $(avp(caller_pickup_grp){csv.count});
>>>             while ($var(p) < $var(caller_pickup_grp_len)) {
>>>                 $avp(attr-name) = "group";
>>>                 $avp(attr-val) =
>>>     $(avp(caller_pickup_grp){csv.value,$var(p)});
>>>                 xlog("L_NOTICE","$rm $ci hunting2: Caller pickup
>>>     group [$avp(attr-val)] for [$fu]");
>>>                 $avp(attr-name) = "picker";
>>>                 $avp(attr-val) = $fu;
>>>                 raise_event("E_CALL_PICKUP", $avp(attr-name),
>>>     $avp(attr-val));
>>>                 $var(p) = $var(p) + 1;
>>>             }
>>>             exit;
>>>         }
>>>
>>>
>>>         if (isbflagset(USRLOC_FOUND) && $avp(callee_pickup_grp) != ""){
>>>             t_newtran();
>>>             $var(p) = 0;
>>>             $var(callee_pickup_grp_len) = 0;
>>>             $var(callee_pickup_grp_len) =
>>>     $(avp(callee_pickup_grp){csv.count});
>>>             while ($var(p) < $var(callee_pickup_grp_len)) {
>>>                 #$avp(filter) = "group=1";
>>>                 $var(group)=$(avp(callee_pickup_grp){csv.value,$var(p)});
>>>
>>>                 $avp(filter) = "group="+$var(group);
>>>                 xlog("L_NOTICE","$rm $ci relay: Callee pickup group
>>>     [$var(group)]. Raise event");
>>>                 notify_on_event("E_CALL_PICKUP","$avp(filter)","handle_pickup",
>>>     "20");
>>>                 $var(p) = $var(p) + 1;
>>>             }
>>>         }
>>>
>>>         if (!t_relay()) {
>>>             xlog("L_WARN","$rm $ci relay: 500 Internal Server Error
>>>     (t_relay failure)");
>>>             t_reply("500","Internal Server Error");
>>>             $avp(reason) = "SIP;cause=500;text=INTERNAL SERVER ERROR";
>>>             route(REASON);
>>>         }
>>>         exit;
>>>
>>>
>>>     Any idea, what I missed here?
>>>
>>>     Thanks in advance for your help
>>>     Srigo
>>>
>>>
>>>
>>>
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>>
>

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