Yealink is a global leading provider of enterprise communication and collaboration solutions, focusing on video conferencing, IP voice communication, and collaboration devices. Its products are widely used in more than 140 countries and regions worldwide, and the company maintains long-term partnerships with international brands such as Microsoft.

With innovative technologies and high-quality design, Yealink ranks No.1 in the global IP phone market share (Frost & Sullivan, 2021) and has become a major leader in voice and video conferencing devices. The entire product lineup supports a Traditional Chinese user interface, meeting the communication and collaboration needs of businesses in Taiwan.

NSE Enterprise Yealink – IP Phones

Yealink T30 Series

Yealink T31 Series

Yealink T33 Series

Specification	T30 / T30P	T31P / T31G	T33G
Display	2.3" Graphical LCD	2.3" Graphical LCD	2.4" Color LCD
Resolution	132 × 64	132 × 64	320 × 240
Screen Backlight	X	✓ (Adjustable brightness)	✓ (Adjustable brightness)
SIP Accounts	1	2	4
Line Keys	0	2	4
Memory Keys	0	2	12 (4 pages × 3 keys)
PoE	✓ (T30P)	✓ (T31P / T31G)	✓
Gigabit Ethernet	X	✓ (T31G)	✓ (T33G)
Bluetooth Headset	EHS35	EHS35	EHS35
Conference Call	5-way	5-way	5-way
Wideband Codec	G.722	G.722	G.722
Voice Codec	G.711 (A/μ), G.729AB, G.726, iLBC, G.723.1	G.711 (A/μ), G.729AB, G.726, iLBC, G.723.1	G.711 (A/μ), G.729AB, G.726, iLBC, G.723.1
Phone Stand	2 adjustable angles	2 adjustable angles	2 adjustable angles
Wall Mount	✓	✓	✓
Kensington Security Lock	✓	✓	✓
Power Adapter (Optional)	AC 100–240V Input / DC 5V 600mA Output	AC 100–240V Input / DC 5V 600mA Output	AC 100–240V Input / DC 5V 600mA Output