Can be registered successfully！(IOS11 APP:GS Wave protocol:TCP/UDP）
Raspbx behind nat,This APP is registered via the same NAT，Make a call from chan_dongle,The other side can not hear me in a few seconds.
Raspbx behind nat,This APP is registered via the Internet，Dial a extension , The other side can not hear me in a few seconds.
Raspbx behind nat,This APP is registered via the Internet，Make a call from chan_dongle , The call will be automatically hang up for a few seconds.
SIP Port & RTP Port has been forwarded.
Version 28-01-2017 is no problem.
How can I do？
update 21-10-2017:
Has confirmed that when useing externip (static ip), the audio is normal;
However, when using externhost (dynamic IP), i can register but no audio.
Last edit: Alvin 2017-10-21
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update：solved(24-10-2017)
Maybe I found the reason why "externhost" and "TCP"did not work：
In the LAN, the hostname of a computer is the same as the "externhost" domain name.
All subdomains are directed to the private IP of this computer.(for example：192.x.x.x). After changing this computer host name, when use the externhost， it is normal.
The previous version of the default port is 5060, the new version of the port is 5160, and the router sip alg default is 5060, if enabled sip alg, while the default product is not 5060, tcp can not be used normally. After disable sip alg, and forward tcp and udp port 5160, use tcp or udp can be normal call.
Last edit: Alvin 2017-10-24
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
Can be registered successfully！(IOS11 APP:GS Wave protocol:TCP/UDP）
Raspbx behind nat,This APP is registered via the same NAT，Make a call from chan_dongle,The other side can not hear me in a few seconds.
Raspbx behind nat,This APP is registered via the Internet，Dial a extension , The other side can not hear me in a few seconds.
Raspbx behind nat,This APP is registered via the Internet，Make a call from chan_dongle , The call will be automatically hang up for a few seconds.
SIP Port & RTP Port has been forwarded.
Version 28-01-2017 is no problem.
How can I do？
update 21-10-2017:
Has confirmed that when useing externip (static ip), the audio is normal;
However, when using externhost (dynamic IP), i can register but no audio.
Last edit: Alvin 2017-10-21
I assume you are using the Chan_PJSIP stack? Can you try with Chan_SIP instead to see if this has the same problem?
I confirm that I am using Chan_SIP.
update：solved(24-10-2017)
Maybe I found the reason why "externhost" and "TCP"did not work：
In the LAN, the hostname of a computer is the same as the "externhost" domain name.
All subdomains are directed to the private IP of this computer.(for example：192.x.x.x).
After changing this computer host name, when use the externhost， it is normal.
The previous version of the default port is 5060, the new version of the port is 5160, and the router sip alg default is 5060, if enabled sip alg, while the default product is not 5060, tcp can not be used normally.
After disable sip alg, and forward tcp and udp port 5160, use tcp or udp can be normal call.
Last edit: Alvin 2017-10-24