[asterisk-users] Asterisk 13.11.2 unable to register on Centos 7 64bit

motty cruz motty.cruz at gmail.com
Sat Oct 15 22:38:33 CDT 2016

Thank you for your help! Centos 7 firewall was enable.

systemctl stop firewalld

issue fixed.


On Thu, Oct 13, 2016 at 3:54 PM, Victor Villarreal <mefhigoseth at gmail.com>

> Ok.
> Please, note that (I suspect) is the internal  LAN address Of
> the Polycom hardphone. If this is true, then you have  NAT issues.
> The REGISTER message are received by your PBX, but when respond, Asterisk
> send the next SIP message to the IP informed by the phone, that is the
> internal LAN address. The messages do not reach back to the hardphone.
> You need to setup a STUN server in the Polycom hardphone settings. Please,
> check the manual. Search in Google some public  STUN server to put in the
> settings.
> Last, the idea behind the "sip set debug" command was view the complete
> SIP messages conversation, not search for an error.
> On NAT escenarios, remember:
> * The NATed phones need to know the public  IP of the NATing router.
> Either by manual setting  or  by STUN protocol.
> * Reduce the time between REGISTERs attempt, if the client  have a dynamic
> IP connection.
> * Use the "localnet" SIP settings in Asterisk, so the PBX can distingish
> what Network need contacted via NAT and what not.
> Cheers.
> --
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Thanks for your support,
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