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11 SUPPORT
DMS-CTC-20110713-0016 v2.0
11.5 Voice over IP Troubleshooting
Introduction
If you cannot make or receive any phone calls via your MediaAccess Gateway, try the suggestions in the following sections.
Calling over VoIP
If you have problems calling via VoIP, check whether:
Your phone is correctly connected to the MediaAccess Gateway.
Your phone is working on the traditional telephone network (PSTN):
Connect your phone directly to the telephone wall outlet.
Try to make a phone call.
Your phone number, user name, and password are configured correctly.
The registrar’s and proxy server’s IP address and port number are configured correctly.
The Power, Broadband and Vo i c e LEDs are on.
Calling over the traditional telephone network (PSTN)
If you have problems calling via the traditional telephone network, check whether:
Your phone is correctly connected to the MediaAccess Gateway.
Your phone is working on the PSTN network:
Connect your phone directly to PSTN.
Try to make a phone call.
The Forced FXO service is activated, this means that your service provider may request you to dial an extra prefix for
making calls via PSTN.
Problems with Telephony Services
If you have a problem with a service, check whether the service is activated. For more information, see “6.3.1 Activating a
Telephony Service on your MediaAccess Gateway” on page 60.
This is not possible on the VoIP-only variants. For more information, see “Applicability” on page 54.
This is not possible on the VoIP-only variants. For more information, see “Applicability” on page 54.
If the MediaAccess Gateway is turned off, phone calls are always routed over PSTN.
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