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Port Forwarding issue in the XG 210 Firmware SFOS 17.1.1 MR-1

suhas dorge

i have panasonic vc devices i need to port forwarding firewall.

i am able telnet local port of panasonic vc device from lan. 

but when i outside using global ip of firewall which i forwarded it is not telnet.

port forwarded  5060 tcp
5060 udp
5100 udp
5135 udp
5200 udp
5235 udp
1719 udp
1720 tcp



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    I will try to understand your request.

    You have "multiple devices" (VOIP Phones?) behind a XG and want to forward some certain ports to those devices? 

    First of all : Telnet only works for TCP. But this should not be an issue here.

    Second: You should be take a look into your requirements, because this is not quite possible to do like you explain. 

    You have one IP as WAN. So basically you can port forward for example 5060 UDP to one Device behind XG. But not to all devices because XG does not know how to decide which phone should get connected. 

    At this point we are in the SIP protocol. Check out the SIP KBA:

    https://community.sophos.com/kb/en-us/123523

    And the explanation of SIP: https://en.wikipedia.org/wiki/Session_Initiation_Protocol

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  • 0

    I will try to understand your request.

    You have "multiple devices" (VOIP Phones?) behind a XG and want to forward some certain ports to those devices? 

    First of all : Telnet only works for TCP. But this should not be an issue here.

    Second: You should be take a look into your requirements, because this is not quite possible to do like you explain. 

    You have one IP as WAN. So basically you can port forward for example 5060 UDP to one Device behind XG. But not to all devices because XG does not know how to decide which phone should get connected. 

    At this point we are in the SIP protocol. Check out the SIP KBA:

    https://community.sophos.com/kb/en-us/123523

    And the explanation of SIP: https://en.wikipedia.org/wiki/Session_Initiation_Protocol

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