Hi,I’m having an issue with a Yeastar S20 IPPBX behind a FortiGate in a
double NAT setup, and I’m looking for help.The FortiGate is behind an
ISP modem (not in bridge mode). The Yeastar is behind the FortiGate, and
SIP trunks connect it to other Yeas...
@yderek Here are additional screenshots to clarify the configuration.1 —
Traffic logs show that SIP traffic is hitting the FortiGate and is being
DNATed to the PBX (192.168.98.100) and accepted by firewall policy 1.2 —
Firewall policy configuration c...
Hi, thanks for your reply.Here are the outputs you requested regarding
SIP ALG and SIP session-helper: show full system settings | grep
voipdefault-voip-alg-mode kernel-helper-basedgui-voip-profile disable
show full system session-helper | grep sip(n...
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