ZyXEL Communications Prestige 2602HW Series, User Manual, Page: 42 / 460

Prestige 2602HW Series User’s Guide
42 Chapter 1 Getting To Know Your Prestige
Three Prestige models are included in this user’s guide at the time of writing. In the Prestige
product name, “H” denotes an integrated 4-port switch (hub) and “W” denotes an internal
wireless card. The Prestige 2602HW provides 802.11g wireless LAN connectivity allowing
users to enjoy the convenience and mobility of working anywhere within the coverage area.
Models ending in “1”, for example Prestige 2602HW-61, denote a device that works over the
analog telephone system, POTS (Plain Old Telephone Service). Models ending in “3” denote a
device that works over ISDN (Integrated Synchronous Digital System). Models ending in “7”
denote a device that works over T-ISDN (UR-2).
The web browser-based Graphical User Interface (GUI) provides easy management.
1.2 Prestige 2602HWL with Lifeline
The Prestige 2602HWL has all of the features of the Prestige 2602HW and adds the PSTN
(Public Switched Telephone Network) lifeline feature. PSTN lifeline lets you have VoIP
phone service and PSTN phone service at the same time.
1.3 Features of the Prestige
The following sections describe the features of the Prestige.
PSTN Lifeline
The Prestige 2602L has a LINE port for connecting a PSTN line. You can receive incoming
PSTN phone calls even while someone else connected to the Prestige is making VoIP phone
calls. You can dial a (prefix) number to make an outgoing PSTN call. You can still make
PSTN phone calls if the Prestige 2602L loses power.
REN
A Ringer Equivalence Number is used to determine the number of devices that may be
connected to the telephone line. The Prestige can support three devices per telephone port.
Dynamic Jitter Buffer
The Prestige has a built-in adaptive, buffer that helps to smooth out the variations in delay
(jitter) for voice traffic. This helps ensure good voice quality for your conversations.
VoIP Standards Compliance
The Prestige complies with the following VoIP standards.
• SIP version 2 (RFC 3261)
Note: Only use firmware for your Prestige’s specific model. Refer to the
label on the bottom of your Prestige.