[asterisk-users] Update peer IP address

Andres andres at telesip.net
Wed Apr 1 10:00:56 CDT 2015

On 4/1/15 10:48 AM, Daniel Heckl wrote:
> John,
> thank you four your answer. I think you have misunderstood the 
> problem. It’s about a ip address change of the sip trunk, not of my 
> asterisk server.
You would probably benefit by enabling the DNS Manager to allow for 
dynamic IP changes:

# cat dnsmgr.conf
enable=yes             ; enable creation of managed DNS lookups
                         ;   default is 'no'
refreshinterval=180   ; refresh managed DNS lookups every <n> seconds
                         ;   default is 300 (5 minutes)

> Kind regards,
> Daniel
>> Am 01.04.2015 um 16:40 schrieb Tech Support <asterisk at voipbusiness.us 
>> <mailto:asterisk at voipbusiness.us>>:
>>     If I correctly understand what the problem is, what I did was 
>> write a script that runs out of CRON every 15 minutes. It checks the 
>> outside IP address by queryinghttp://checkip.dyndns.organd compares 
>> it to the IP address stored in the parameter “externip” in the 
>> [general] section of sip.conf. If the two values are the same, the 
>> script exits quietly. If they are different, the script updates 
>> “externip” with the new address, does a sip reload, and shoots me an 
>> email saying there was an update. It's a fairly simple and 
>> straightforward process and does the job. I use this script for all 
>> PBX’s that are behind a NAT. I hope this helps.
>> Regards;
>> John

Technical Support

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