Outgoing call via TCP connection (3G/Wifi) does not work

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a) Before posting your issue you MUST answer to the questions otherwise it
will be rejected (invalid status) by us
b) Please check the issue tacker to avoid duplication
c) Please provide network capture (wireshark) or Android log (DDMS output)
if you want quick response

What steps will reproduce the problem?
1. TCP transport is set
2. Outgoing voice call is started
2. Nothing happens

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

Outgoing voice call should be successfully initiated, but it is not.

I have made SIP trace and checked Android log. Regarding SIP trace: INVITE is 
sent,407 Proxy Authentication Required is received, client sends ACK and then 
stops. There is no second INVITE sent by the client.

Android log ends with lines (I have enabled INFO logging):

11-23 15:26:48.601: I/tinyWRAP(5499): *INFO: State machine: 
x0000_Any_2_Any_X_i401_407_Challenge
11-23 15:26:48.601: I/tinyWRAP(5499): *INFO: === ICT terminated ===
11-23 15:26:48.601: I/tinyWRAP(5499): *INFO: *** ICT destroyed ***

There is no error output. ICT is destroyed.   

What version of the product are you using? On what operating system?

I'm using last version of the doubango stack and ngn API checked out from the 
SVN. The same happens with imsdroid-2.532.758.apk

I have successfully reproduced the problem using terminals:

Samsung Galaxy S III mini (Android 4.1.1)
HTC Desire X (Android 4.0.4)
LG Optimus 4X (Android 4.0.4) 

The same issue was reported to me for:

HTC One X (Android 4.1.1)

Please provide any additional information below.

I would be really grateful if you can provide me some help. This is right now 
becoming the biggest issue when using TCP transport.

Original issue reported on code.google.com by klemen.p...@gmail.com on 23 Nov 2012 at 3:04

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We're seeing the same issue here with an HTC one X with SMS messages over TCP.

Original comment by kjeremy@gmail.com on 5 Mar 2013 at 6:44

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same thing in iDoubs too.

Original comment by arma...@gmail.com on 7 Nov 2014 at 4:49