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Re: [Linphone-users] Call drops after 32 seconds

From: Robert Dixon
Subject: Re: [Linphone-users] Call drops after 32 seconds
Date: Tue, 18 Jun 2019 13:54:21 -0400

So is the problem with Linphone?  How can this be fixed?
(using the dial string I mentioned previously).

> On Jun 18, 2019, at 11:53 AM, Stuart D. Gathman <address@hidden> wrote:
> On Tue, 18 Jun 2019, Stuart D. Gathman wrote:
>> On Tue, 18 Jun 2019, Robert Dixon wrote:
>>> This 30 second timeout problem has plagued Linphone users for years, and it
>>> has been brought up on many lists, with no real solution.I was able to
>>> partially solve it on a local network by eliminating the use of TCP in the
>>> Network options. Just use
>>> UDP. 
>>> I was ecstatic.  Then I went to use it on a larger network, and it failed
>>> again in the same way. I do not understand this.
>> The issue is that the 200 ACK response is sent to the wrong ip.
> Well for me.  In all cases, the 200 ACK doesn't get back one way or
> another.  I might be because a NAT router times out the connection, or many 
> other ways the peer might have the right IP - but the ACK
> response isn't routed or gets blocked.
> -- 
>             Stuart D. Gathman <address@hidden>
> "Confutatis maledictis, flamis acribus addictis" - background song for
> a Microsoft sponsored "Where do you want to go from here?" 
> commercial._______________________________________________
> Linphone-users mailing list
> address@hidden

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