The Yealink T18P IP Phone includes the following features:
TI TITAN chipset and TI voice engine
20 keys including 2 programmable keys
Voicemail, Speed dial, 3-way conferencing
Integrated voice response (IVR) system
Voice codec: G.722, G.711u/A, G.726, G.729AB, G.723.1
Auto provision via TFTP/FTP/HTTP/PnP
Volume control, Ringtone selection, Distinctive ringtone
1xRJ45, 1xdual-color LED, Phone label
Power over Ethernet (PoE): IEEE 802.3af class 1
Desktop with footstand (detachable), Wall-mountable

Amongst the Yealink family, the Yealink T18P has found a niche as a highly powerful entry level business phone. The Yealink T18P can be powered via Power-over-Ethernet (PoE) or AC power making it very useful for business purposes. All Yealink VoIP phones are equipped with the latest technology and features like echo cancellation modules and sound codecs which make them different than the others. Moreover compatibility with the leading telecommunications software products has made them the most versatile of them all. Almost all Yealink phones are built upon an Integrated Voice Response System (IVRS) with Dial Plan and Dial Now facilities to assist users to save different numbers. Besides, the country or area code is automatically prefixed with the number, making it simpler to use

The Yealink T18P has many features that make it suitable for large scale deployment purposes. It can perform many functions like call transfer, call waiting and call hold with voice mail and message waiting indicators indicating when there are messages waiting for you. The Yealink T18P also makes it convenient when making three-way conference calls and direct IP calls without the necessity for a SIP proxy

It’s physical features include a TI Titan chipset, 20 keys inclusive of 2 programmable keys and 4 feature keys such as Redial, Mute, Hold and Transfer. The Yealink T18P also has HD audio codecs making it a perfect choice for business use. The Yealink T18P's interoperability with IP-PBXs and soft switches make it very economical to use. The Yealink T18P can be placed on a desktop as well as mounted on walls. The design of the Yealink T18P speaks about its usability for the working people as it has all the requirement to fulfill their needs. These phones are best used for small scale enterprises like small office/high office (SOHO), hotels, apartments or colleges, warehouses and supermarkets. The phones are cost effective, and very convenient to use. Consumers can simply install and configure it's various features according to their needs and use it according to their convenience, making it the most suitable option for the user