SipDroind Don't end calls.

What steps will reproduce the problem?
1. Call a number/ VoIP or not over SipDroid
2. Slip down the end Call Button
3. Check the line you called before

What is the expected output? What do you see instead?
When slide down the "End Call" Button, the phone call Ends.

What version of the product are you using? On what device/operating system?
SipDroid 1.5.5 beta on a Motorola Milestone (droid) with Android 2.1 rooted.

Which SIP server are you using? What happens with PBXes?
Vono (www.falevono.com.br). I don't tried with PBXes

Which type of network are you using?
3G/Wifi

Please provide any additional information below.
Here is my SIP Server Configurations. I Can Make Receive phone Calls, but my 
outgoing phone calls don't ends when it's expected.

[ SIP ACCOUNT DEFINITIONS ]: 
USERNAME: "login"
PASSWORD: ******* 
SERVER: vono.net.br 
DOMAIN: (leave empty) 
USERNAME: login 
PORT: 5060 
PROTOCOL: UDP

Original issue reported on code.google.com by pedro.alonso@conceitocriativo.com.br on 23 Aug 2010 at 5:02

kusuzhu / sipdroid

SipDroind Don't end calls. #612