phone rings but no audio for callcentric

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Jared:
I'm seeing the same problem where I can make outbound calls but cannot receive incoming calls when my online line setup is a connection to callcentric.  The phone rings but if I pick up I get nothing and the phone still rings on the initiating phone.

Just tested without my firewall in the middle and it works....  I have a D-Link DIR-655 so looks like there is some setting on there in my case that is blocking the traffic.

Thunderbird1:
Try disabling SIP ALG and see if that makes a difference.

Go to Advanced -> Firewall Settings and un-tick 'SIP' at the bottom of the page. Don't forget to save.

murzik:
I have no problem with Callcentric at all.  This is more likely your router. Try to forward RTP port to OBI or even better enable STUN server for Callcentric. Just use any public STUN, for example stun.voxalot.com.
List of public stun servers STUN - voip-info.org

First disable SIP ALG.

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