Yealink SIP-T54S, Administrator'S Manual

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Product Overview
1
Product Overview
This chapter contains the following information about IP phones:

SIP IP Phone Models

Expansion Modules
SIP IP Phone Models
This section introduces SIP-T54S, SIP-T52S, SIP-T48G/S, SIP-T46G/S, SIP-T42G/S, SIP-T41P/S,
SIP-T40P/G, SIP-T29G, SIP-T27P/G, SIP-T23P/G, SIP-T21(P) E2, SIP-T19(P) E2 ,CP860 and CP920
IP phone models. These IP phones are endpoints in the overall network topology, which are
designed to interoperate with other compatible equipments including application servers,
media servers, internet-working gateways, voice bridges, and other endpoints. These IP phones
are characterized by a large number of functions, which simplify business communication with
a high standard of security and can work seamlessly with a large number of SIP PBXs.
These IP phones provide a powerful and flexible IP communication solution for Ethernet TCP/IP
networks, delivering excellent voice quality. The high-resolution graphic display supplies
content in multiple languages for system status, call log and directory access. IP phones also
support advanced functionalities, including LDAP, Busy Lamp Field, Sever Redundancy and
Network Conference.
IP phones comply with the SIP standard ( RFC 3261 ), and they can only be used within a network
that supports this model of phone.
For a list of key features available on Yealink IP phones running the latest firmware, refer to Key
Features of IP Phones on page 15 .
Physical Features of IP Phones
This section lists the available physical features of SIP-T54S, SIP-T52S, SIP-T48G/S, SIP-T46G/S,
SIP-T42G/S, SIP-T41P/S, SIP-T40P/G, SIP-T29G, SIP-T27P/G, SIP-T23P/G, SIP-T21(P) E2 and SIP-
T19(P) E2 desktop IP phones ,CP860 and CP920 IP phone models.