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[Linphone-developers] [help] Linphone using proxy in a VPN without regis
From: |
buch |
Subject: |
[Linphone-developers] [help] Linphone using proxy in a VPN without registration |
Date: |
Thu, 23 May 2013 14:27:13 +0200 |
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Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130509 Thunderbird/17.0.6 |
Hi,
I didn't found another way contacting people with a bigger background
knowledge about linphone. I hope the mailing list is fine for this purpose.
I am trying to get linphone to work with a speech application which I
can only connect to via a VPN network. Thus I have 2 CIDR addresses. A
private IP and the VPN IP.
When I configure linphone to connect to the speech application I have
following setup:
[image url: http://postimg.org/image/735j9maix/]
If I choose my ip address in the vpn subnet instead of localhost, the
call also fails (exact symptoms below).
The call does not time out or something. I can call and the speechapp
will answer the call but don't play the prompt. If I hang up, it also
acts normal. Just that there is no prompt being played.
I used tcpdump on the speech application machine ('# tcpdump -i any udp
port 5060 -nnv') and compared it with the output of X-Liste v5 which is
able to connect to the speech application (with prompt, as you would
expect it).
You can find the two logs enclosed.
From SIP segment perspective everything is working fine (invite,
ringing, ok, ack, bye, ok) but the VIA attribute of the SIP segment is
using my local IP address instead of the VPN IP address, which X-Liste
uses.
Can this be the issue why no prompt is being played? And if this might
be the issue: Can you tell me how I can configure this in linphone? Or
at least confirm me, that this kind of configuration is not possible?
I really need to connect via the VPN. This is sadly not optional.
I would be really glad hearing from you.
Thanks in advance
Christian
#################### Attachment ##############
[1] Linphone call tcpdump:
http://pastebin.com/NEy3CJbj
[2] X-Lite v5 call tcpdump:
http://pastebin.com/zs1RyNGj
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