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My SP (Service Provider) status is showing "Register Failed: ..." for reasons other than "401 Unauthorized..."
…ing for SIP ALG. Check the Firewall area or WAN setup. For example: After you disable SIP ALG in your router, make sure you click "apply settings". Reboot your router and th…
How do I disable SIP ALG?
…ing for SIP ALG. Check the Firewall area or WAN setup. For example: After you disable SIP ALG in your router, make sure you click "apply settings". Reboot your router (or po…
What is SIP ALG?
…problems that are caused by firewalls. However, it often affects VoIP service because SIP ALG modifies SIP packets and most commercial routers are not built for VoIP.
I have a problem with calling out - I get one way audio, I can't get incoming calls, or I can't receive voicemail notifications.
You may have a problem with an internet router setting called SIP ALG, and this SIP ALG setting needs to be disabled.
Why am I having trouble registering with my SIP service provider and/or I am not able to hear the far-end partys audio but they can hear me?
…lication Layer Gateway) is to blame for these issues. To fix, be sure to turn off any SIP ALG residing in your router. Helpful link: Click Here .
What can I try if my router does not have a setting for SIP ALG?
Change the following on your OBi using OBiTALK's "OBi Expert Configuration"…
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