how to configure router to remotely connect to DVST HT-960H-16

Hello Experts,
I need to find an app for iPhone 5 to connect to security cameras in the client office, I was told the system they have installed is CE (made in Korea) and the Model is DVST HT-960H-16. The installer told me to open port 80 and 8000 in the firewall (TZ200) in order to view the cameras remotly.
The Security Camera (DVR has a private IP

From remote location (windows OS) if I type the wan IP,  I can connect to DVR and see the cameras after installing CMSPluginInstaller64.msi. I also from inside the office if I http:\\ also connect to the cameras.

However I have not been able to connect with Iphone remotly with as many 5 different apps.
mViewer pro
Mr. Patrol
Icam viewer
Mobile CM

Please advise if I must do something else.
OscarIT supportAsked:
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TemodyPickalbatros, IT ManagerCommented:
from appstore search for TMEye
i use it working fine compatible with many DVR

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OscarIT supportAuthor Commented:
Thank you for suggestion, It finally MR Patrol did work too.
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