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Re: [Linphone-users] Common sources of errors

From: Stuart D. Gathman
Subject: Re: [Linphone-users] Common sources of errors
Date: Sat, 3 Nov 2018 19:47:23 -0400 (EDT)
User-agent: Alpine 2.21 (LRH 202 2017-01-01)

On Sat, 3 Nov 2018, Kentaro YAMAMOTO wrote:

Is there a list of common source of errors or a recommended set of
configuration for the use of Linphone between hosts that are behind

If you are on real computers, I recommend getting *out* of IP4 NAT jail.
You can join the everyday clearnet IP6 internet via a tunnel broker
at, provided you have a semi-permanent IP4 at each location.

Otherwise, you'll need an overlay network. I use linphone over Cjdns to call my wife and to keep in touch with my Dad, who is also in IP4
NAT jail.  Cjdns gives each device a permanent crypto-allocated IP6
address that stays the same even if it gets assigned a new IP4 (e.g.
a laptop that moves around).

Here is an article I wrote for Fedora Magazine that will illustrate
connecting Cjdns to the global mesh and how to directly call another IP
without a 3rd party (details will vary for other distros):

If you are on smartphones, then things are much more restrictive, but
any kind of VPN that you are both on should allow you to call each
other directly with linphone (even an IP4 VPN).  Using IP address
instead of phone numbers is no big deal, since you just add it to your
phone book.

              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.

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