V3-Remote Extension Instruction
Remote Extension
1 Port forward on router
If the IPPBX is behind the router ,you must do the port forward settings on router at first.
SIP default port: 5060
RTP default port: 10001 -10500
2 NAT settings
External Media Address: Hostname DDNS or IP address
External Signaling Address:Hostname DDNS or IP address
Local Net:you local ip segment ,like 192.168.1.0/255.255.255.0
3 Create extension & Enable remote extension option.
4 SIP ALG
If remote extension no audio when make calls on both side, please try check the SIP ALG option on your router.
5. safety
zycoo support team
20180519