I keep getting calls in the middle of the night.

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brentowen:
I get strange calls, mostly at night.  The caller id may show 111 or 100 or sometimes a 1888 number or no numbers at all.  Nobody on the line answers, but they hang up when I pick up the phone.  Is someone hacking my voip?  How can I set up the obi to stop these calls.  I have read that there is a way to not accept calls unless they come from my sip provider (or something like that).  Do I make changes on my router or the setup in the obi110.  I am using freephoneline for my sip.


Also, I couldn't find where to set the RTP packet size that freehoneline recommends.

RTP Packet Size:    0.020

ianobi:
This is a well known problem created by scanners. Have a read through this thread:

http://www.obitalk.com/forum/index.php?topic=4067.msg30166#msg30166


RTP packet size is 0.020 by default. You have to look under "Codecs" to change it.

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