NAT and Firewall

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Create a basic or an expert profile.
2. Unable to specify any NAT / Firewall options
3.

What is the expected output? What do you see instead?


What version of the product are you using? On what operating system?
N1 with Android. CSip Simple Version 9.

Please provide any additional information below.
When connecting from home, there is no problem. When connecting from work,
a NAT / Firewall should be specified, but there is no option to do so. For
an incoming call, there is only a one way voice transmission. 

Original issue reported on code.google.com by mflo...@gmail.com on 11 May 2010 at 4:57

[GoogleCodeExporter]

There is several things to do to solve NAT / Firewall issues :

First of all, a client can't configure a Firewall. 
It's a network equipment that can block some ports and there is nothing to do 
with
that except trying to change the used port. But if your network administer at 
work
want to block your sip communication, it will be easy for him to do.

If it's only a NAT problem, it's a little bit different. There is solutions in 
SIP to
use TURN / ICE / STUN servers to proxy your media communication. I've yet 
explored
these options but the stack on which CSipSimple is based (pjsip) provides a way 
to
use this kind of solutions. I've added in Settings (theses kind of options are 
not
related to account, it's in general options). 
In the media section there is TURN and ICE option. But as I said, I've not yet 
tested it.

So to solve your problem what I can propose you is to test with a stable SIP 
client
at work (on your PC you can try with x-lite for example - if you are on linux 
twinkle
is a good client with a lot of options)
You can also try with alternatives on android : for example SipDroid, Linphone 
or
SipAgent.

If there is a configuration that works at your work, let me know what option you
configure to pass through your NAT/Firewall. I'll implement it in the user 
interface
if possible.

Original comment by r3gis...@gmail.com on 11 May 2010 at 7:18

[GoogleCodeExporter]

everything seems fine right now. able to connect everywhere (home/work/public 
wifi). 

Original comment by mflo...@gmail.com on 27 May 2010 at 9:15

[GoogleCodeExporter]

Great :)

I mark this issue as closed.
Do you think it's related to the new version or something in the network
configuration or something in the application configuration?
If something on the application configuration has been changed let me know what,
there is maybe something not ergonomic in the interface that I can fix?

Original comment by r3gis...@gmail.com on 28 May 2010 at 6:51

• Changed state: Verified