ZyXEL P-2601HN-F1 User Guide - Page 21
Introducing the ZyXEL Device, 1.1 Overview - ip
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CHAPTER 1 Introducing the ZyXEL Device 1.1 Overview The ZyXEL Device is an ADSL2+ Integrated Access Device (IAD) that combines an ADSL2+ router with Voice over IP (VoIP) communication capabilities to allow you to use a traditional analog telephone to make Internet calls. By integrating DSL and NAT, you are provided with ease of installation and high-speed, shared Internet access. The ZyXEL Device is also a complete security solution with a robust firewall and content filtering. You can use Quality of Service (QoS) to efficiently manage traffic on your network by giving priority to certain types of traffic and/or to particular computers. Please refer to the following description of the product name format. • "H" denotes an integrated 4-port hub (switch). • "N" denotes wireless functionality, including 802.11n mode. There is an embedded USB module for IEEE 802.11b/g/n wireless LAN connectivity. Only use firmware for your ZyXEL Device's specific model. Refer to the label on the bottom of your ZyXEL Device. • "L" denotes the PSTN (Public Switched Telephone Network) line feature. The PSTN line lets you have VoIP phone service and PSTN phone service at the same time. All PSTN line features documented in this user's guide refer to the "L" models only. When the ZyXEL Device does not have power, only the phone with lifeline connected to the FXO port can be used for making calls. • Models ending in "1" denote a device that works over the analog telephone system, POTS (Plain Old Telephone Service). See the chapter on product specifications for a full list of features. P-2601HN(L)-F1 Series User's Guide 21