[OpenSIPS-Users] Error on 487 Cancel - no 'to' tag
bogdan at opensips.org
Wed May 22 10:15:42 EDT 2019
Yeah, just ignore it, anyhow there is nothing we can do about it.
OpenSIPS Founder and Developer
OpenSIPS Summit 2019
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!
> ср, 22 мая 2019 г. в 18:37, Bogdan-Andrei Iancu <bogdan at opensips.org
> <mailto: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.
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
> OpenSIPS Summit 2019
> On 05/22/2019 11:19 AM, Yury Kirsanov wrote:
>> 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:  reply in dlg state :
>> 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!
>> Users mailing list
>> Users at lists.opensips.org <mailto:Users at lists.opensips.org>
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