hi,
well I am totally new to this topic (this VOIP thing) , this is my first try and gosh ! it is an awful experience till now !
anyway
my host machine is running Arch linux and I installed centos 7 on virtualbox on my machine and also asterisk & freePBX installed as well. I’ve been trying for weeks now and finally I did able to install and run freepbx and asterisk.
I made a few extensions as sample and tried to make a call between them to test it but that did not work for me . I have zoiper on localhost ( centos guest OS ) and I can register extensions on it without any problem,
but when I try to register extensions on my smartphone or tablet or even my host Machine I get 408 error code. I did searched the web and found too many topics about this problem but none of them worked for me!
I tried :
1.connecting using 3 different ISPs ( to see whether my ISP blocks VOIP)
2.using different softphones on tablet and smart phone
3. I changed UDP port to somethng else
4. using TCP instead of UDP which caused another failing situation ( I think 502 error code )
and so much other stuff I can’t remember now
something strange is I can access admin page using my ip address on my smartphone and tablet.
I also checked asterisk logs and well there is nothing about failing extension registrations ! so I guess ,requests can’t even reach the asterisk on my guest machine ! my best guess is something preventing my machine from getting incoming request from outside world it might be firewall but I don’t know what should I do or this is the reason …
any Ideas ?!
thanks