Administrator’s Guide for SIP-T2_Series_T4_Series IP Phones
4
For a list of key features available on Yealink IP phones running the latest firmware, refer
to Key Features of IP Phones on page 12.
In order to operate as SIP endpoints in your network successfully, IP phones must meet
the following requirements:
A working IP network is established.
VoIP gateways are configured for SIP.
The latest (or compatible) firmware of IP phones is available.
A call server is active and configured to receive and send SIP messages.
This section lists the available physical features of SIP-T48G, SIP-T46G, SIP-T42G, SIP-T41P,
SIP-T29G, SIP-T27P, SIP-T23P/G and SIP-T21(P) E2 IP phones.
SIP-T48G
Physical Features:
- 7” 800 x 480 pixel color touch screen with backlight
- 24 bit depth color
- 16 VoIP accounts, Broadsoft Validated/Asterisk
®
Compatible
- HD Voice: HD Codec, HD Handset, HD Speaker
- 26 keys including 7 feature keys
- 1*RJ9 (4P4C) handset port
- 1*RJ9 (4P4C) headset port