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COMpact 5200/5200R/5500R - Firmware V7.2 - Advanced Information V04 07/2018
979
Settings – Administration
Configuration VoIP
To adopt the change, reboot the PBX.
Serveur STUN pour connexion à des abonnés VoIP extérieurs
Serveur STUN
Adresse IP ou URL
Port
Requirements:
•
support for public DNS mapping by the router on the PBX network
•
call forwarding from the SIP port of the internal VoIP registrar to the
PBX's IP address in the router
•
configured DNS server
The STUN server entered here can be used to connect to external
private branch exchanges.
Notes:
If all external private branch exchanges are connected to the PBX
network via a VPN tunnel, no STUN server needs to be entered.
If IP protocol IPv6 is selected, STUN cannot be used as a NAT method
either for SIP or RTP.
The page
Synthèses > Ports
shows an overview of the PBX ports
(incoming and outgoing).