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same fanvil x4 in 2 3cx server in same time

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bassel

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hello guys

i have local server with 3cx and 11 fanvil x4 phone and 4 pstn phone line
i want add twillio number to use on this server but i get sip alg issue from my isp router
and its long story but its impossible to make it disable in my isp router or change the router


my question is
if i made a new 3cx server online on cloud can i use the 2 3cx system in same phone ?
the local server and the online server and made outgoin rules in the phone to how i call from local or from online ?

and is this work if i have sip alg issue on the router ?
 
You could do this by creating a bridge and outbound rules to call out the trunks on the cloud server.

If you went that route is there any reason you would not just create a VPN with the cloud service and host all calls on the cloud version?

dear eliq thank you for your reply
i will try the bridge
for the vpn i have 4 pstn line i need use it for that reason i use local server
 
my gateway brand is presphone
not popular but because i in turkey that the only brand available
and as i see now in the configuration its support PPTP VPN
 
as i ask before its not work with cloud server directly
but maybe in vpn will be
 
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