Re: [Sip-implementors] is Contact Header Mandatory and could be anonymous in the INVITE

2018-07-16 Thread Dale R. Worley
> On Sat, Mar 3, 2018 at 7:33 PM, Dale R. Worley wrote: > >> Zuniga, Guillermo writes: >> > I Access enviroment not PEER to PEER connection, CONTACT could be >> > anonymous or always should be any valid uri-user? >> >> The Contact always has to be a valid URI. However, that URI does not >> have

Re: [Sip-implementors] Offer/answer model in early media with forking

2018-07-16 Thread Dale R. Worley
Alex Balashov writes: > Due to the way the RTP relay works on the server side, this results in > two different SDP offers from the two respective outgoing branches being > sent back to the caller: > > 1. 183+SDP on branch #1. > > 2. 183+SDP' on branch #2. >200 OK+SDP' on branch #2. > > I am

Re: [Sip-implementors] Offer/answer model in early media with forking

2018-07-16 Thread Alex Balashov
Well, the first branch is disposed of with a 5xx reply. But the UAC cancels nothing, in spite of getting two different early responses from two different dialogs. Granted, I haven't tried waiting around for 3 minutes or whatever the maximum prescribed early/alerting state is. On July 16,

Re: [Sip-implementors] Offer/answer model in early media with forking

2018-07-16 Thread Alex Balashov
It should be noted that the UA with which I am testing (Freeswitch) does not CANCEL or otherwise hang up the first dialog. On Mon, Jul 16, 2018 at 01:56:34PM -0400, Alex Balashov wrote: > Oh, yes — they're different dialogs, for sure. I just wasn't sure if > that would nevertheless pose a

Re: [Sip-implementors] Offer/answer model in early media with forking

2018-07-16 Thread Alex Balashov
Oh, yes — they're different dialogs, for sure. I just wasn't sure if that would nevertheless pose a problem for some low-budget UAs. On Mon, Jul 16, 2018 at 01:47:32PM -0400, Paul Kyzivat wrote: > On 7/16/18 1:17 PM, Alex Balashov wrote: > > Hi, > > > > I have a scenario where a call is forked

Re: [Sip-implementors] Offer/answer model in early media with forking

2018-07-16 Thread Paul Kyzivat
On 7/16/18 1:17 PM, Alex Balashov wrote: Hi, I have a scenario where a call is forked through a proxy to an early media announcement server and then subsequently to a SIP provider for actual termination. Due to the way the RTP relay works on the server side, this results in two different SDP

[Sip-implementors] Offer/answer model in early media with forking

2018-07-16 Thread Alex Balashov
Hi, I have a scenario where a call is forked through a proxy to an early media announcement server and then subsequently to a SIP provider for actual termination. Due to the way the RTP relay works on the server side, this results in two different SDP offers from the two respective outgoing