User Manual

Getting Started
21
SIP-T28P
SIP-T26P
SIP-T22P
SIP-T21P
SIP-T20P
SIP-T19P
Description
/
Ringer volume is
0
Phone Lock
Received Calls
Placed Calls
Missed Calls
/
/
Recording box is
full
/
/
A call cannot be
recorded
/
/
Recording starts
successfully
/
/
Recording
cannot be
started
/
/
Recording
cannot be
stopped
This section describes how to configure basic network parameters for the IP phone.
Note
DHCP (Dynamic Host Configuration Protocol) is a network protocol used to dynamically
allocate network parameters to network hosts. The automatic allocation of network
parameters to hosts eases the administrative burden of maintaining an IP network. IP
phones comply with the DHCP specifications documented in RFC 2131. If using DHCP, IP
phones connected to the network become operational without having to be manually
assigned IP addresses and additional network parameters. Static DNS address(es) can
This section mainly introduces IPv4 network parameters. IP phones also support IPv6. For
more information on IPv6, refer to IPv6 Support on page 196.