Tuesday, February 6, 2018

Obi keeps ringing - Calls from weird numbers - Ghost calls

Some time back my Obi Google Voice phone kept ringing constantly and the caller ids were weird numbers. Strangely, Google Voice had no history of any such calls that I could mark as spam and rebooting the Obi device would help.

Researching this problem showed that it could be SIP scanning by bots that probe standard SIP ports causing the phone to ring and caller id to show strange numbers like 1000, 1001, 0000, 123456, etc.

A simple solution to this problem is to change the value of X_InboundCallRoute.
Use Obi Expert > Voice Services > SPx Service > X_InboundCallRoute to:
where GV12345678901 is your Simonics SIP Login Prefix and SPx is the service on which GV is configured

There are other possible solutions as well, but I found this solution to be the simplest - but still for sake of completeness, you can check out the other possible solutions at ObiTalk forum post and Simonics forum post.

Obi100 and Obi110 Google Voice with Simonics Gateway

Obi100 and Obi 110 devices worked great with Google Voice but Obihai declared these devices to be end of life in August 2016. So a recent Google change made these devices to stop working with GV.
To solve this, you could either buy a newer Obi 200 series device or use a paid GV gateway setup by simonics.

Here are the instructions for using simonics GV gateway from the ObiTalk forum post:

1:  Assumptions:  you have an OBi 100 or 110, running the final build 2886 firmware.  You have a working inbound Google Voice telephone number assigned to your Google account.  You've paid the fee to use the gateway, and you are on the gateway setup page.

2:  Go to your OBiTALK web dashboard:  https://www.obitalk.com/obinet/pg/obhdev.  Click the OBi device.  Find the Service Provider (SP1 or SP2) that was setup to use Google Voice.  Delete the SPx configuration by clicking the trash can icon.

3:  After waiting a few minutes for the OBi's configuration to be remotely deleted, again click on the SP1 or SP2 you want to use.  On the next page, scroll down to the bottom and select "OBiTALK Compatible Service Providers".  On the next page, scroll down and click "Generic Service Provider" and click "Next".

4:  On the next page, fill in your GVGW server name, SIP user ID and SIP password, and click "Save".

5:  Wait for the portal to remotely configure your OBi.  It will reboot once or twice (power LED will blink on then off).  Give it plenty of time to finish.

6:  Refresh the OBiTALK dashboard in your browser, and click the SPx.  You should now see that it is registered to the gatway.  You're done!


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