Use 3cx Phone from outside network

Question

Hi Team, 
 I`m running Sophos XG 135 firewall. I `m using 3CX for CRM. I want to setup IP Phone outside my network(Home). Soft Phone is working fine but I want to use IP Phone. 
 Can you please help me to achieve this. 
 
 My email id is hiren@bmg.ng 
 Regards, 
 Hiren

Vivek Jagad · Answer

Hello Hiren Bhatt , Thank you for reaching out to the community, refer a complete guide below: 1.) VoIP - https://5cuc.short.gy/EhEFsY 2.) DNAT rule - https://5cuc.short.gy/FvRUJx 3.) firewall rules for internal servers - https://5cuc.short.gy/UVxwIC