Black & Decker TCM450B Guide de l'utilisateur télécharger pdf (Page 82)

E-DOC-CTC-20080421-0010 v1.0

8 Troubleshooting

8.3 Voice over IP Troubleshooting

Introduction

If you cannot establish a phone call via your Thomson Gateway, try the suggestions below.

Calling over VoIP

If you have problems calling via VoIP, check whether:

 Your telephone is correctly connected to the Thomson Gateway.

 Your telephone is working on the regular phone line (PSTN):

 Connect your phone directly to the telephone wall outlet.

 Try to make a phone call.

 Your phone number, user name, and password is configured correctly.

 The registrar’s and proxy server’s IP address and port number are configured correctly.

 The Power, Broadband/DSL and Voice LEDs are on.

Calling over PSTN

If you have problems calling via the regular phone line, check whether:

 Your telephone is correctly connected to the Thomson Gateway.

 Your telephone is working on the PSTN network:

 Connect your phone directly to PSTN.

 Try to make a phone call.

 The Forced FXO service is activated, or whether your service provider requested you to dial an extra

prefix for making calls via PSTN.

Problems with Supplementary Services

If you have a problem with a supplementary telephony service, check whether the service is activated.

As soon as the LED turns on, you will hear a click, indicating the switch from PSTN to VoIP.

If the Thomson Gateway is turned off, phone calls are always routed over PSTN.

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Black & Decker TCM450B Guide de l'utilisateur Page 82