Make Calls Via Internet Telephony Service Provider; Figure 2 Wimax Modem's Voip Features - Peer-To-Peer Calls; Figure 3 Wimax Modem's Voip Features - Calls Via Voip Service Provider - ZyXEL Communications MAX-206M1R series User Manual

1.1.2 Make Calls via Internet Telephony Service Provider

In a home or small office environment, you can use the WiMAX Modem to make
and receive the following types of VoIP telephone calls:
• Peer-to-Peer calls - Use the WiMAX Modem to make a call directly to the
recipient's IP address without using a SIP proxy server.

Figure 2 WiMAX Modem's VoIP Features - Peer-to-Peer Calls

• Calls via a VoIP service provider - The WiMAX Modem sends your call to a VoIP
service provider's SIP server which forwards your calls to either VoIP or PSTN
phones.

Figure 3 WiMAX Modem's VoIP Features - Calls via VoIP Service Provider

User's Guide
Chapter 1 Getting Started
33