Outgoing calls work, Incoming calls ring but both parties cannot hear
QBZappy:
Yes.
Cedarboy:
I did the settings as per your suggestion.
It still shows up as NAT under SIP Registration with Callwithus.
QBZappy:
Did yo disable SIP ALG?
Have you tried putting the OBi in the DMZ? If this works it is most likely a firewall issue.
Cedarboy:
The ADSL Modem does not have SIP ALG setting. It used to work fine with the previous ATA adaptor (Grandstream HT486).
I added the IP to the DMZ on the ADSL Modem in addition to the previous settings you suggested.
Rebooted both the ADSL Modem and OBI. Still shows as NAT.
Question:
1. Sometimes the OBI shows up twice under SIP registration at callwithus. After a few min, the second entry goes away. Is this normal?
2. The settings that you mentioned in the first email were only under ITSP -> SIP. There was nothing to be done under ITSP -> General. Is that correct?
QBZappy:
Quote from: Cedarboy on March 21, 2013, 07:56:02 pm
The ADSL Modem does not have SIP ALG setting. It used to work fine with the previous ATA adaptor (Grandstream HT486).
Did you disable SIP ALG is on the router (not the modem).
Quote from: Cedarboy on March 21, 2013, 07:56:02 pm
The ADSL Modem does not have SIP ALG setting. It used to work fine with the previous ATA adaptor
Question:
1. Sometimes the OBI shows up twice under SIP registration at callwithus. After a few min, the second entry goes away. Is this normal?
My Grandstream PBX allows up to 3 different end points to register. Commercial sip providers may or may not allow more than one end point to register at the same time. Perhaps yours does. Test it with a softphone and the OBi at the same time if you want to find out.
Quote from: Cedarboy on March 21, 2013, 07:56:02 pm
The ADSL Modem does not have SIP ALG setting. It used to work fine with the previous ATA adaptor
Question:
2. The settings that you mentioned in the first email were only under ITSP -> SIP. There was nothing to be done under ITSP -> General. Is that correct?
Correct. That was just a roadmap to get you there.
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