ZyXEL Communications MAX-306, Руководство пользователя, Страница: 33 / 405

Chapter 1 Getting Started
User’s Guide
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Use content filtering to block access to web sites with URLs containing keywords
that you specify. You can define time periods and days during which content
filtering is enabled and include or exclude particular computers on your network
from content filtering
1.1.3 Make Calls via Internet Telephony Service Provider
In a home or small office environment, you can use the WiMAX Device to make
and receive the following types of VoIP telephone calls:
• Peer-to-Peer calls - Use the WiMAX Device to make a call directly to the
recipient’s IP address without using a SIP proxy server.
Figure 4 WiMAX Device’s VoIP Features - Peer-to-Peer Calls
• Calls via a VoIP service provider - The WiMAX Device sends your call to a VoIP
service provider’s SIP server which forwards your calls to either VoIP or PSTN
phones.
Figure 5 WiMAX Device’s VoIP Features - Calls via VoIP Service Provider