On Wed, Mar 25, 2020 at 11:07 AM John Hughes <j...@calva.com> wrote: > > On 23/03/2020 18:51, Joshua C. Colp wrote: > > On Mon, Mar 23, 2020 at 2:45 PM John Hughes <j...@calva.com> wrote: > >> >> Why is asterisk giving an error 500? I can find no reason, there is >> nothing in any log. >> > > The sequence number is from the past. The first SUBSCRIBE is sequence > number 22 (check the CSeq header). The second is 20. The third is 21. It > appears as though this is from the past, so it receives a 500. > > Ok, I've had some back and forth with the linphone developers and they > contend that although the sequence number on the 2nd and 3rd SUBSCRIBE > messages start a new sequence this is legal as it is a new conversation -- > the "tag=" on the From has changed. > > Are they right? (Notice that the tag= from asterisk also changes). >
It's possible. If I recall chan_sip is extremely forgiving with matching things, so it may not have taken that into account. -- Joshua C. Colp Asterisk Technical Lead Sangoma Technologies Check us out at www.sangoma.com and www.asterisk.org
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