https://community.three.co.uk/t5/Devices/Issue-with-SimplyBook-software-over-5G-network/m-p/17514#M1790 <P><a href="https://community.three.co.uk/t5/user/viewprofilepage/user-id/8973">@GRMatthews</a>&nbsp;</P><P>Are you using a VPN ? If so, which one ?&nbsp;</P><P>If you are, please search VPN on this forum, as you will find solutions that might help.&nbsp;&nbsp;</P> Sat, 02 Sep 2023 09:01:16 GMT Avondale 2023-09-02T09:01:16Z https://community.three.co.uk/t5/Devices/Issue-with-SimplyBook-software-over-5G-network/m-p/17440#M1786 <P>I manage a small network of x4 TP-Link WiFi Access Points and switches connected to the internet via a 5G ZTE MC801A router - the system works very well.&nbsp; The Charity it supports uses PC software called SimplyBook and a module within it for invoicing is called SBPay.me&nbsp; .&nbsp; &nbsp;However, the invoicing module won't work over the 5G link but will work across other wired networks.&nbsp; The tech support at SimplyBook think its a firewall issue ?...does anyone know if I need to change any settings or port forwarding etc in the router or could it be the Three Network blocking the traffic ?&nbsp; Thoughts and ideas welcome please.&nbsp;</P> Thu, 31 Aug 2023 13:59:52 GMT https://community.three.co.uk/t5/Devices/Issue-with-SimplyBook-software-over-5G-network/m-p/17440#M1786 GRMatthews 2023-08-31T13:59:52Z https://community.three.co.uk/t5/Devices/Issue-with-SimplyBook-software-over-5G-network/m-p/17514#M1790 <P><a href="https://community.three.co.uk/t5/user/viewprofilepage/user-id/8973">@GRMatthews</a>&nbsp;</P><P>Are you using a VPN ? If so, which one ?&nbsp;</P><P>If you are, please search VPN on this forum, as you will find solutions that might help.&nbsp;&nbsp;</P> Sat, 02 Sep 2023 09:01:16 GMT https://community.three.co.uk/t5/Devices/Issue-with-SimplyBook-software-over-5G-network/m-p/17514#M1790 Avondale 2023-09-02T09:01:16Z