[OpenSIPS-Users] How to manage REFER Packet

[Donat Zenichev]

Good day Calvin.
There is no SIP method called "REDIREDCT" as you say.
Currently there are 6 general methods defined in RFC 3261, you can see them
here: https://tools.ietf.org/html/rfc3261#section-27.4

And of course a list of SIP specifications (documents) including following
methods: PRACK, SUBSCRIBE, NOTIFY, PUBLISH, REFER, MESSAGE, UPDATE
which are defined in the list of other RFC documents.

But there is no method which you called. So that, please do not confuse the
community with a wrong terminology.

The thing you are referring to (if I managed to understand this correctly)
is just a basic processing of 3XX type of responses (Redirection server).
This block of response codes is commonly called as redirection responses.
Response codes are not the same thing as SIP methods.
And most of all would be "302 Moved Temporarily" used, to provide Contact
information where to find the requested side. Depends on setup.

This however seems to be completely not related to the original question of
the author.

Best regards.


On Thu, Mar 11, 2021 at 6:26 PM Calvin Ellison <calvin.ellison at voxox.com>
wrote:

> Is it your intention to transfer an established call, or do you really a
> redirect?
>
> In the case of a redirect you're actually looking for the REDIREDCT method
> not the REFER method. Instead of returning a 200 OK then REFER, you would
> return a 300 REDIRECT with the new URI in the Contact header. That
> completes the first dialogue and then you start a new dialogue to the
> destination provided by the REDIRECT.
>
>
> Regards,
>
>
> Calvin Ellison
> Systems Architect
> calvin.ellison at voxox.com
> +1 (213) 285-0555
>
> -----------------------------------------------
> voxox.com
> 5825 Oberlin Drive, Suite 5
> San Diego, CA 92121
>
> On Sun, Mar 7, 2021, 23:12 Vinayak Makwana <vinayak.makwana at ecosmob.com>
> wrote:
>
>> Hello Everyone,
>>  I would like to manage REFER packet with opensips script
>>  In my case i want manage REFER packet like whenever i opensips proxy
>> getting REFER packet from freeswitch at that time i need to convert this
>> REFER packet into INVITE packet from opensips script and send to the
>> endpoint.
>> Is their  any possibilities where I can manage this thing in opensips
>> 3.1.x ?
>> Please suggest me.
>>
>> My scenario like this:
>>
>> A                            opensips                B(Freswitch)
>>   |   -----INVITE ------->    |   -------INVITE------>   |
>>
>>   |   <-----200OK -------    |  <-------200OK------    |
>>   |  <-----INVITE -------   |   <-------REFER----    |
>>
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-- 

Best regards,
Donat Zenichev
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