EVENTPHONE - Wiki

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1. Download the [[https://linphone.org/releases/linux/latest_app|Linphone AppImage]] from [[https://www.linphone.org/|Linphone]] and make the file executable (e.g. "chmod +x Linphone-*.AppImage")

2. After the first start you must accept the terms of use and privacy policy of the Belledonne Communications (developer of Linphone)

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3. Start the SIP configuration with the highlighted button " USE A SIP ACCOUNT"

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4. Accept the "limitation" with "I UNDERSTAND"

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5. Add the SIP credentials and server which you get in the [[https://guru3.eventphone.de/event.wasm/phonebook|guru3]] behind the key sign and set the transport protocol to "UDP". You confirm the configuration with "USE".

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6. If you configured correctly you should see a green checkmark next to the display name and the user SIP uri.

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7. Test the SIP registration with a call to ERNA (**E**igene **R**uf**N**ummern **A**nsage) extension 8330

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8. The call should be established and you see the call screen. You should hear your own extension if all is working

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9. In the call list you see all incoming and outgoing calls

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10. At the top right you have a dial pad

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11. You can add additional SIP accounts via the gear and choose "Preferences"

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12. At the bottom right you start the configuration for additional SIP accounts via "ADD ACCOUNT"

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13. Add the SIP credentials to the ...

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14.

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15.

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**Special configuration**

Under Preferences → Calls and Chat, “Encryption” needs to be set to “None”.

Similarly, under Preferences → Network, “DTMFs sending method” needs to be set to “SIP INFO” for the labyrinth to work.