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Chapter 26 Product Specifications
P-2612HNU-Fx User’s Guide
285
Wireless Features
SIP ALG Your device is a SIP Application Layer Gateway (ALG). It allows VoIP
calls to pass through NAT for devices behind it (such as a SIP-based
VoIP software application on a computer).
Other Voice
Features
SIP version 2 (Session Initiation Protocol RFC 3261)
SDP (Session Description Protocol RFC 2327)
RTP (RFC 1889)
RTCP (RFC 1890)
Voice codecs (coder/decoders) G.711, G.729
Fax and data modem discrimination
DTMF Detection and Generation
DTMF: In-band and Out-band traffic (RFC 2833),(PCM), (SIP INFO)
Point-to-point call establishment between two IADs
Quick dialing through predefined phone book, which maps the phone
dialing number and destination URL.
Flexible Dial Plan (RFC3525 section 7.1.14)
Table 87 Voice Features
Table 88 Wireless Features
External Antenna The ZyXEL Device is equipped with an attached antenna to
provide a clear radio signal between the wireless stations and
the access points.
Multiple SSID Multiple SSID allows the ZyXEL Device to operate up to 4
different wireless networks simultaneously, each with
independently configurable wireless and security settings.
WDS WDS (Wireless Distribution System) lets the ZyXEL Device
act as a bridge with other ZyXEL access points.
Wireless LAN MAC Address
Filtering
Your device can check the MAC addresses of wireless stations
against a list of allowed or denied MAC addresses.
WEP Encryption WEP (Wired Equivalent Privacy) encrypts data frames before
transmitting over the wireless network to help keep network
communications private.
Wi-Fi Protected Access Wi-Fi Protected Access (WPA) is a subset of the IEEE 802.11i
security standard. Key differences between WPA and WEP
are user authentication and improved data encryption.
WPA2 WPA 2 is a wireless security standard that defines stronger
encryption, authentication and key management than WPA.