SMC Networks TigerVoIP SMCWSP-100, Руководство пользователя

Страница: 41 / 76

6-1
Chapter 6: Network and VoIP Settings
A Wi-Fi wireless network is defined by its Service Set Identifier (SSID) or network
name. Wireless clients that want to connect to a network must set their SSID to the
same SSID of the network service. To use the Wi-Fi phone you must either manually
set an SSID or use its “scan” feature to search for nearby Wi-Fi networks.
Some Wi-Fi networks use security, usually through the use of a “key” text string or
passphrase. The Wi-Fi Phone supports WEP and WPA-PSK security. Check with
the network operator for the security keys to use.
The Wi-Fi Phone uses Session Initiation Protocol (SIP) as the control mechanism
that sets up, initiates, and terminates calls between a caller and a called party. The
SIP messaging makes use of “Proxy,” “Redirect,” and “Registration” servers to
process call requests and find the location of called parties across the Internet.
When SIP has set up a call between two parties, the actual voice communication is
a direct peer-to-peer connection using the standard Real-Time Protocol (RTP),
which streams the encoded voice data across the network.
Voice over Internet Protocol (VoIP) service providers operate SIP proxy servers that
allow you to register your Wi-Fi Phone on their system so that you can make
telephone calls over the Internet. Your VoIP service provider will provide you with the
connection details that need to be set up on the Wi-Fi Phone to be able to use their
service.
Wi-Fi Network Settings
The Wi-Fi Phone requires a wireless connection to a Wi-Fi network access point to
operate. You can set the phone to connect to specific wireless networks or search
for any nearby networks. Wireless network information is stored in the phone’s
memory as “Preferred Networks,” which are searched for each time the phone is
powered on.
You can search or “scan” for Wi-Fi networks that are within range of your location. A
list of detected networks displays the network name and the strength of the radio
signal. When possible, you should try to connect to networks with a strong signal.