03-22-2013 06:53 PM - edited 03-21-2019 10:01 AM
Hi All,
Hoping someone can provide me an 'ah ha' response, followed by a 'you fixed my problem, Thank You, Thank You, Thank You' response!
I'm not a hard core techie, so I'll do my best to explain what I've done so far....
I recently decided to signup for voip service. I purchased the SPA122 ATA adapter, configured it (after purchasing the voip key code), and voila I had dialtone and could make outbound calls .......... The problem is, the person on the other end could hear me, but I couldn't hear them?! In bound calls ring on the phone, but same issue (caller can hear me, but I can't hear caller).
I played around with a bunch of the setting on the ATA, but nothing seems to work? I changed the ATA settings to 'bridged' since I have my Telco DSL router, and my Cisco EA4500 router is plugged in the Telco router. The ATA adapter is plugged in the Cisco Router.
Here's the test calls I made:
1. Call from analog phone via ATA to home phone. Home phone rings. I can hear person on ATA phone, but they can't hear me.
2. Call from home phone to ATA phone. ATA phone rings. I can hear person on ATA phone, but they can't hear me.
Result: 1 way audio from home phone to ATA, but no Audio from ATA phone? How do I fix the issue so I get Audio from the ATA phone??
I've read a post that i need to change my Telco router to a bridge in order for this to work properly? Does that make sense?
Any help with this issue would be GREATLY appreciated.
Thanks in advance!
Craig
03-23-2013 03:30 AM
Sounds like a NAT problem.
If your VoIP provider supports STUN, configure STUN server under VOICE - SIP - NAT SUPPORT PARAMETERS.
If you have a public static ip address, configure EXT IP under VOICE - SIP - NAT SUPPORT PARAMETERS.
Enable NAT MAPPING and NAT KEEPALIVE under VOICE - LINE 1 or 2 - NAT SETTINGS.
Regards.
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