[OpenSIPS-Users] Error on 487 Cancel - no 'to' tag

[Yury Kirsanov]

Thanks, Bogdan, will do!

чт, 23 мая 2019 г. в 00:15, Bogdan-Andrei Iancu <bogdan at opensips.org>:

> Yeah, just ignore it, anyhow there is nothing we can do about it.
>
> Regards,
>
> Bogdan-Andrei Iancu
>
> OpenSIPS Founder and Developer
>   https://www.opensips-solutions.com
> OpenSIPS Summit 2019
>   https://www.opensips.org/events/Summit-2019Amsterdam/
>
> On 05/22/2019 12:39 PM, Yury Kirsanov wrote:
>
> Hi Bogdan,
> Nice to hear from you again, you are always very helpful :)
> Unfortunately, I doubt that Microsoft would listen to my request, they're
> bending RFCs the way they like it, for example - using FQDN in 'Contact'
> field and no 'to' tag in this 487 reply. I assume it's quite safe to ignore
> this behaviour? Thanks!
>
> Regards,
> Yury.
>
> ср, 22 мая 2019 г. в 18:37, Bogdan-Andrei Iancu <bogdan at opensips.org>:
>
>> Hi Yury,
>>
>> No need to call any script function - all you need to do is to point your
>> carrier to read the RFC3261 -> any final SIP reply MUST have a TO-tag.
>>
>> Regards,
>>
>> Bogdan-Andrei Iancu
>>
>> OpenSIPS Founder and Developer
>>   https://www.opensips-solutions.com
>> OpenSIPS Summit 2019
>>   https://www.opensips.org/events/Summit-2019Amsterdam/
>>
>> On 05/22/2019 11:19 AM, Yury Kirsanov wrote:
>>
>> Hi,
>> My upstream carrier is replying back to CANCEL request with a 487 Call
>> Cancelled message that doesn't have a 'to' tag in its headers. So, I'm
>> getting these errors in OpenSIPS logs:
>>
>> ERROR:dialog:push_reply_in_dialog: [487] reply in dlg state [2]: missing
>> TAG param in TO hdr
>>
>> But dialogs are closing correctly on BYE and I don't see any dialogs
>> hanging in any state when the call is finished. Is it something I should be
>> worried about or can I just ignore this error? Is there any way to avoid it
>> by OpenSIPS script processing logic? Maybe I need to call some function to
>> fix this dialog? Thanks!
>>
>> Regards,
>> Yury.
>>
>>
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>>
>>
>>
>
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