Nokia E66 E series User Manual page 152

PIN2 The PIN2 code is supplied with some
SIM cards. The PIN2 code is required to
access certain functions supported by
the SIM card. The length of the PIN2
code is 4 to 8 digits.
POP3 Post office protocol, version 3. A
common mail protocol that can be
used for accessing your remote
mailbox.
PUK and PIN Unblocking Key. PUK and PUK2
PUK2 codes are required to change a blocked
PIN code or PIN2 code, respectively.
The length of the code is 8 digits.
SIP Session initiation protocol. SIP is used
for creating, modifying, and
terminating certain types of
communication sessions with one or
more participants.
SSID Service set identifier. SSID is the name
that identifies the specific WLAN.
Streaming Streaming audio and video files means
playing them directly from the web
without downloading them first to
your device.
UMTS Universal mobile telecommunications
system. UMTS is a 3G mobile
communication system. Besides voice
and data, UMTS enables audio and
video delivery to wireless devices.
When you use your device in GSM and
UMTS networks, multiple data
connections can be active at the same
time, and access points can share a
data connection. In the UMTS network,
data connections remain active during
voice calls. You can, for example,
browse the web faster than previously
possible while simultaneously
speaking on the phone.
UPIN PIN code used in UMTS network.
UPUK UPIN Unblocking Key. UPUK code is
required to change a blocked UPIN
code or PIN2 code. The length of the
code is 8 digits.
USIM SIM card used in UMTS network.
USSD A service request, such as request to
command activate an application or configure
various settings remotely, that you can
send to your operator or service
provider with your device.
VoIP Voice over internet protocol
technology. VoIP is a set of protocols
that facilitate phone calls over an IP
network, such as the internet.
Glossary
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