If you're trying to modify the contact on your branch I believe you need to do that in a branch route. For example in branch_route[EVAPIRESPONSE] you could modify the contact header and. Just make sure to set the branch route in route[EVAPIRESPONSE].
Then instead of using a var you could use an avp. avp's work as a stack so a single avp could hold all of your contacts. In your branch route you could then do something like:
remove_hf('Contact'); append_hf('Contact: $avp(contact)'); pv_unset ("$avp(contact)"); # This will pop the first contact off the avp so the next time you call this avp you'll get the second contact
I hope that's helpful and gives you some ideas.
On Fri, Nov 3, 2017 at 12:00 PM, Diego Nadares dnadares@gmail.com wrote:
Hi john, thanks for your answer. I'm using this in route[EVAPIRESPONSE] because of async request with evapi.
I tried what you said too with no success.
#$var(first) = 0; #while ($var(i) < $var(contacts_len)){ # jansson_get("contacts[$var(i)]", "$var(evmsg)","$var(contact)");
# if ($var(first) == 0){ # $ru = $var(contact); # $var(first) = 1; # } # append_branch($var(contact), "0.5"); # $var(i) = $var(i) + 1; #} remove_hf('Contact'); append_hf('Contact: <1111@188.111.111.113>'); send_reply("302", "Moved Temporarily"); exit;The result is ONLY the original uri in the contact. *Contact: <1111@188.111.111.112 1111@188.111.111.112>*
Diego
2017-11-02 22:22 GMT-03:00 John Petrini jpetrini@coredial.com:
remove_hf('Contact') and then append_hf($var(contact)) should work. What was the problem you were having? Were you using it in a branch route?
John
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On Thu, Nov 2, 2017 at 6:40 PM, Diego Nadares dnadares@gmail.com wrote:
Hi again,
I found a work around . Modifying $ru changes de first contact uri.
if($var(routing)=~"redirect"){ jansson_get("contacts_len", "$var(evmsg)", "$var(contacts_len)"); xlog("L_INFO", "Contacts len $var(contacts_len)"); $var(i) = 0;
*$var(first) = 0;* while ($var(i) < $var(contacts_len)){ jansson_get("contacts[$var(i)]", "$var(evmsg)","$var(contact)"); if ($var(first) == 0){ * $ru = $var(contact);* * $var(first) = 1;* } #Appending anyway because of the q param append_branch($var(contact), "0.5"); $var(i) = $var(i) + 1; } send_reply("302", "Moved Temporarily"); exit; }
Contact: *<1111@188.111.111.112 sip%3A1111@188.111.111.112>*, < sip:1111@188.111.111.112>;q=0.5, sip:1111@188.111.111.112;q=0.5
I think this is not the better way. Any suggestion will be very appreciated.
Thanks again.
Diego
2017-11-02 18:11 GMT-03:00 Diego Nadares dnadares@gmail.com:
Hi Guys,
I'm generating a 302 reply from kamailio. In this 302 I append new branches with new contacts.
if($var(routing)=~"redirect"){ jansson_get("contacts_len", "$var(evmsg)", "$var(contacts_len)"); xlog("L_INFO", "Contacts len $var(contacts_len)"); $var(i) = 0; while ($var(i) < $var(contacts_len)){ jansson_get("contacts[$var(i)]", "$var(evmsg)", "$var(contact)"); append_branch($var(contact), "0.5"); $var(i) = $var(i) + 1; } send_reply("302", "Moved Temporarily"); exit; }
The problem i'm facing is that I can't delete the original contact *<sip:1111@188.111.111.111:5060 http://sip:1111@188.111.111.111:5060>*
The resulting conctact:
Contact: *<sip:1111@188.111.111.111:5060 http://sip:1111@188.111.111.111:5060>*, <sip:1111@188.111.111.112
;q=0.5, sip:1111@188.111.111.112;q=0.5
I all ready tried with remove_hf('Contact') and adding the new ones after that but it doesn't worke either.
The problem is that one gw takes the first contact over and over again and never the other two.
Thanks in advance.
Diego.
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