Automatic switch between trunks when one becomes unavailable
hwittenb:
If you have occasional calls from CallWithUs then you do need to have the account registered because that is how CallWithUs knows where to send the call.
With both adapters behind the same router setup to register to the same CallWithUs account perhaps if the registration requests are going on occasionally at more or less the exact same time there is some contention problem that gets your router confused when the sip packets come back from CallWithUs.
I would setup the OBi to register and set the PAP2 not to register (on the PAP2 set Register: No) so you don't have them both registering at the same time. Sometimes providers will allow multiple registrations but usually they do not. When they do not it is usually the last adapter to register that is current registration.
xibai:
it looks to me the e911 setting QBZappy mentioned provide a solution. But it is more complicated then my situation. E911 requires dial different numbers with different service providers while here only same number to be dialed.
The "roll over" or "fail over" is what I mean by automatic switch.
ianobi, in my situation, the obi did not konw SP2 fails probably because I put in a wrong password. In reality, it fails due to unknown reason which can be only fixed by restart the router and obi together. It shows "retrying..."
In view of e911, what should i adjust with my obi? Having a PAP2 as backup always better.
xibai:
hwittenb, that is probably right for some situations. But I am not sure it is the case here. Callwithus shows both obi and pap2 registration is in good status.
Before I use pap2 with obi. After using obi, i removed pap2. However, obi sometimes fails with callwithus. That is way I am thinking about hooking pap2 to obi LINE as a backup.
ianobi:
Quote
The "roll over" or "fail over" is what I mean by automatic switch.
Yes, I did understand what you meant.
In my opinion, no "fail over" will work unless your OBi110 can tell that sp2 has failed. I still cannot see how your OBi110 can tell that callwithus has failed. So long as it does not know that callwithus has failed, then it will continue to try to send calls to sp2.
To prove the trunk group works, you could simply uncheck:
Voice Services > SP2 Service > Enable
This will show how it would work if you could make the OBi110 see that callwithus had failed.
I have to log out for today. Please have a read through all the ideas in this thread and try anything that seems sensible. I will be back tomorrow for an update :)
xibai:
Thanks a lot, ianobi. Obi is really fun to work on even though you can not get whatever you want.
Have a great day!
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