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#1 Posted : Wednesday, December 14, 2011 11:34:48 AM(UTC)
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Hi,Guys!

I found that SIP_CallOut worked only when computer connected to the Internet.

If I make it in LAN(local area network), InitStack will send error information at "m_pUPnP = new UPnP_NAT_Client();".

Can someone told me how to let SIP_CallOut check network is in LAN or NAT?
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ivx
#2 Posted : Wednesday, December 14, 2011 11:59:25 AM(UTC)
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If you connec to LAN proxy, it should work(NAT handling skipped for LAN ip), otherwise NAT handling must be done.
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btking
#3 Posted : Monday, December 19, 2011 3:43:14 AM(UTC)
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But I tried that if I connected to LAN and didn't input the gateway ip of network connections many times, NAT won't skipped for it.

Every time m_pUPnP = new UPnP_NAT_Client() in Get NAT handling method when InitStack will send error information that value mustn't be null, parameter: ip.

My computer's ip is 192.168.9.30, Netmask is 255.255.255.0

Freeswitch's ip is 192.168.9.60, Netmask is 255.255.255.0
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#4 Posted : Tuesday, December 20, 2011 8:44:24 AM(UTC)
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Post exact stack trace.
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#5 Posted : Tuesday, February 07, 2012 11:12:49 AM(UTC)
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m_pUPnP = new UPnP_NAT_Client() in Init_Stack method is happened

System.NullReferenceException
Message=Object reference not set to an instance of an object
Source=LumiSoft.Net
StackTrace:
In LumiSoft.Net.UPnP.UPnP_Device.Init(String url)
Address E:\LumiSoft\Net\Net\UPnP\UPnP_Device.cs:Line 56
InnerException:
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btking
#6 Posted : Tuesday, February 07, 2012 11:20:41 AM(UTC)
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My computer is in Lan.

ip: 172.16.49.194

netmask: 255.255.255.0

dhcp server: 192.168.0.1

dns: 61.128.192.68

I use SIP_CallOut to call the other sipphone in another computer that ip is 172.16.49.227 and other parameters is the same with mine
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#7 Posted : Tuesday, February 07, 2012 2:09:07 PM(UTC)
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Do you run code in debug mode ?

Also stack trace is not full stack trace ... .
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#8 Posted : Wednesday, February 08, 2012 3:28:56 AM(UTC)
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I run code in debug mode.

But m_pUPnP = new UPnP_NAT_Client() didn't report error everytime.
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#9 Posted : Wednesday, February 08, 2012 8:17:42 AM(UTC)
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I looked all code seems ti be in try catch, so debug mode probably catches ObjectReferenceNull exception.
This expetion probably raises because for some reason your router gives invalid response for UPnP.
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btking
#10 Posted : Wednesday, February 08, 2012 10:52:42 AM(UTC)
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Thanks.

I found that there's no error when I run SIP_CallOut.exe directly.

But I have another problem, and I hope you can do me a favor.

I'll post a topic.
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