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ERROR: This service requires JavaScript. Please enable JavaScript in your web browser settings. ERROR: This service requires WebRTC. Please try Mozilla Firefox or Google Chrome, using the latest version is strongly recommended. ERROR: JsCommunicator configuration not found ERROR: Failed to initialize user agent ERROR: SIP Registration failure ERROR: failed to start call, check that microphone/webcam are connected, check browser security settings, peer may not support compatible codecs
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SIP registration: Registered Not Registered
April 15, 2015

Disabling SIP ALG on Dlink

To disable the SIP ALG on a DLINK DIR-625 follow the below steps.

1. Log into the router. The default user name on this model is “Admin” with a blank password.

2. Click on “Advanced” at the top of the screen.

3. Click on “Firewall Settings” on the left.

4. Scroll down toward the bottom. You will see the “Application Level Gateway (ALG)” section.

5. Remove the check mark next to “SIP”.

6. Scroll up to the top and click on “Save Settings”.

7. The next screen should ask you to reboot the firewall. Reboot it.

8. Reboot your IP phone. We should now see the phone registered properly.

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