Good morning,
We are having some issues with SIP calls using IPv4 with
sip.linphone.org. The remote client fails to establish the RTP
connection because the SDP only contains an IPv6 address.
After some testing, it seems that if the original SDP contains ICE data,
the RTP stream is established. Otherwise, an IPv6 address is sent and
connection fails.
These are the results with Linphone Android:
- With both ICE and Stun : OK
- Stun and No ICE : Not working
- No stun nor ICE: Not working
After having a look at recent changes, I'm pretty sure it has to do with
the following commit.
https://github.com/BelledonneCommunications/flexisip/commit/2caed30c8aebb7233ac7384eb438644ebad19a5b
I think it is detecting it as IPv6 even if the client has established an
IPv4 connection.
Thank you,
Tere Ruiz
PS. I have also sent the email to flexisip-developers mailing list. But
I am not getting confirmation and it does not appear in the achives. So
I have decided to resend it here too.
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