[jitsi-users] IPv6 SDP problems

#1

I have two machines both running dual-stack IPv4 and IPv6

I make a SIP call from the softphone on one machine to Jitsi on the
other machine

In the SDP offer from the caller, the "c=" line contains "IP6" and an
IPv6 address

In the SDP answer from Jitsi, the "c=" line contains "IP4" and an IPv4
address.

Jitsi then starts sending media to the caller using an IPv4-Mapped IPv6
source address [::ffff:192.168.1.128]

The caller could potentially send to Jitsi using one of its IPv4
addresses, but if the caller was a pure-IPv6 host then it wouldn't work.
Why doesn't Jitsi just use IPv6 in the SDP answer?

#2

I need to investigate that. Can you please open an issue at Github (Jitsi project itself)?

Freundliche Grüsse,
Ingo Bauersachs

-- sent from my mobile

···

Le 14.10.2015 à 21:13, Daniel Pocock <daniel@pocock.pro> a écrit :

I have two machines both running dual-stack IPv4 and IPv6

I make a SIP call from the softphone on one machine to Jitsi on the
other machine

In the SDP offer from the caller, the "c=" line contains "IP6" and an
IPv6 address

In the SDP answer from Jitsi, the "c=" line contains "IP4" and an IPv4
address.

Jitsi then starts sending media to the caller using an IPv4-Mapped IPv6
source address [::ffff:192.168.1.128]

The caller could potentially send to Jitsi using one of its IPv4
addresses, but if the caller was a pure-IPv6 host then it wouldn't work.
Why doesn't Jitsi just use IPv6 in the SDP answer?

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#3

Done...

https://github.com/jitsi/jitsi/issues/170

···

On 14/10/15 22:22, Ingo Bauersachs wrote:

I need to investigate that. Can you please open an issue at Github (Jitsi project itself)?