VOIP worked with Mint 19.1 & kernel 4.4, fails w/ kernel 4.8












0















With Linux Mint 19.1, kernel 4.15, I connect to the Internet using WiFi, and want to share the Ethernet connection with a Grandstream IP Phone.



I have done:




click | network connection | wired connection 1 | edit | ipv4 setting
| automatic dhcp | change to | shared to other computer | click | save




With kernel 4.4, the connection is OK, but, since changing to kernel 4.8, the phone can make calls, but I don't hear the person on the other side. I don't receive calls, either.



I would to know if there is some port to open or something to do with the iptables.










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  • I would investigate NAT-T issues. Voip works better without NAT and if you are doing a NAT on top of another NAT...

    – Rui F Ribeiro
    5 hours ago













  • Please click edit and add to the original question: 1) Which model of Grandstream IP phone are you using? 2) What's the configuration for that phone?

    – K7AAY
    4 hours ago
















0















With Linux Mint 19.1, kernel 4.15, I connect to the Internet using WiFi, and want to share the Ethernet connection with a Grandstream IP Phone.



I have done:




click | network connection | wired connection 1 | edit | ipv4 setting
| automatic dhcp | change to | shared to other computer | click | save




With kernel 4.4, the connection is OK, but, since changing to kernel 4.8, the phone can make calls, but I don't hear the person on the other side. I don't receive calls, either.



I would to know if there is some port to open or something to do with the iptables.










share|improve this question









New contributor




João Marcos de Almeida Mota is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.





















  • I would investigate NAT-T issues. Voip works better without NAT and if you are doing a NAT on top of another NAT...

    – Rui F Ribeiro
    5 hours ago













  • Please click edit and add to the original question: 1) Which model of Grandstream IP phone are you using? 2) What's the configuration for that phone?

    – K7AAY
    4 hours ago














0












0








0








With Linux Mint 19.1, kernel 4.15, I connect to the Internet using WiFi, and want to share the Ethernet connection with a Grandstream IP Phone.



I have done:




click | network connection | wired connection 1 | edit | ipv4 setting
| automatic dhcp | change to | shared to other computer | click | save




With kernel 4.4, the connection is OK, but, since changing to kernel 4.8, the phone can make calls, but I don't hear the person on the other side. I don't receive calls, either.



I would to know if there is some port to open or something to do with the iptables.










share|improve this question









New contributor




João Marcos de Almeida Mota is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.












With Linux Mint 19.1, kernel 4.15, I connect to the Internet using WiFi, and want to share the Ethernet connection with a Grandstream IP Phone.



I have done:




click | network connection | wired connection 1 | edit | ipv4 setting
| automatic dhcp | change to | shared to other computer | click | save




With kernel 4.4, the connection is OK, but, since changing to kernel 4.8, the phone can make calls, but I don't hear the person on the other side. I don't receive calls, either.



I would to know if there is some port to open or something to do with the iptables.







linux-mint wifi ethernet forwarding voip






share|improve this question









New contributor




João Marcos de Almeida Mota is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question









New contributor




João Marcos de Almeida Mota is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|improve this question




share|improve this question








edited 3 hours ago









K7AAY

692825




692825






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João Marcos de Almeida Mota is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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asked 6 hours ago









João Marcos de Almeida MotaJoão Marcos de Almeida Mota

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41




New contributor




João Marcos de Almeida Mota is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.





New contributor





João Marcos de Almeida Mota is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






João Marcos de Almeida Mota is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.













  • I would investigate NAT-T issues. Voip works better without NAT and if you are doing a NAT on top of another NAT...

    – Rui F Ribeiro
    5 hours ago













  • Please click edit and add to the original question: 1) Which model of Grandstream IP phone are you using? 2) What's the configuration for that phone?

    – K7AAY
    4 hours ago



















  • I would investigate NAT-T issues. Voip works better without NAT and if you are doing a NAT on top of another NAT...

    – Rui F Ribeiro
    5 hours ago













  • Please click edit and add to the original question: 1) Which model of Grandstream IP phone are you using? 2) What's the configuration for that phone?

    – K7AAY
    4 hours ago

















I would investigate NAT-T issues. Voip works better without NAT and if you are doing a NAT on top of another NAT...

– Rui F Ribeiro
5 hours ago







I would investigate NAT-T issues. Voip works better without NAT and if you are doing a NAT on top of another NAT...

– Rui F Ribeiro
5 hours ago















Please click edit and add to the original question: 1) Which model of Grandstream IP phone are you using? 2) What's the configuration for that phone?

– K7AAY
4 hours ago





Please click edit and add to the original question: 1) Which model of Grandstream IP phone are you using? 2) What's the configuration for that phone?

– K7AAY
4 hours ago










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