NgnConfigurationEntry.QOS_SIP_CALLS_TIMEOUT does not work in NgnAVSession.java

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What steps will reproduce the problem?
1.check the log via log cat
2.
3.

What is the expected output? What do you see instead?
In ScreenQoS.java, NgnConfigurationEntry.QOS_SIP_CALLS_TIMEOUT config-item is 
get/set as String.
But in NgnAVSession.java it is accessed via mConfigurationService.getInt(). 
This will throw Exception.
Suggest to refine ScreenQoS.java as below:
            long timeout = NgnConfigurationEntry.DEFAULT_QOS_SIP_CALLS_TIMEOUT;

            String timeoutStr = mConfigurationService.getString( NgnConfigurationEntry.QOS_SIP_CALLS_TIMEOUT, String.valueOf(NgnConfigurationEntry.DEFAULT_QOS_SIP_CALLS_TIMEOUT));
            try {
                timeout = Long.valueOf(timeoutStr).longValue();
            } catch(Throwable ex) {
                ex.printStackTrace();
            }
            mSession.setSessionTimer(timeout,
                    mConfigurationService.getString(NgnConfigurationEntry.QOS_REFRESHER,
                            NgnConfigurationEntry.DEFAULT_QOS_REFRESHER));

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

Please provide any additional information below.

Original issue reported on code.google.com by gumin...@gmail.com on 21 Aug 2013 at 1:25

GITLionelZhang / imsdroid

NgnConfigurationEntry.QOS_SIP_CALLS_TIMEOUT does not work in NgnAVSession.java #475