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PN: 1725-36038-001_B.doc 9
SpectraLink 8020/8030
Wireless Telephone Overview
The SpectraLink 8020/8030 Wireless Telephones are mobile handsets
for workplace IP telephone systems. The handsets operate over an
802.11b wireless Ethernet LAN providing users a wireless voice over
IP (VoIP) extension. By seamlessly integrating into a SIP environment,
handset users are provided with high-quality mobile voice
communications throughout the workplace. The handset gives users
the freedom to roam throughout the workplace while providing all
the features and functionality of a SIP desk phone.
The handsets reside on the wireless LAN with other wireless devices
using direct sequence spread spectrum (DSSS) radio technology. The
handset radio transmits and receives packets at up to 54 Mb/s.
In the SIP environment, the handsets support up to three proxy
servers. Each handset may have five line appearances and two calls
per line. Each handset may have up to 10 sets of credentials to
identify itself by current user.
SpectraLink Voice Priority (SVP) and
Quality of Service
SVP is the SpectraLink quality of service (QoS) mechanism that is
implemented in the handset and an access point (AP) to enhance
voice quality over the wireless network. SVP gives preference to voice
packets over data packets on the wireless medium, increasing the
probability that all voice packets are transmitted efficiently and with
minimum or no delay. SVP is fully compatible with the IEEE 802.11
standards.
The SpectraLink 8000 SVP Server is an Ethernet LAN device that
works with the AP to provide quality of service (QoS) on the wireless
LAN. Voice packets to and from the SpectraLink 8020/8030 Wireless
Telephones are intercepted by the SpectraLink 8000 SVP Server and
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