YEALINK SIP-T48S IP PHONE
The Yealink T48S IP Phone is a dynamic business communications solution for executives and professionals. The T48S features up to 16 SIP accounts a 7" 800 x 480-pixel colour touch screen with backlight, has dual-port gigabit ethernet ports and offers much more.
YEALINK SIP-T46S IP PHONE
The Yealink T46S IP phone is the ultimate communications tool for busy executives and professionals. In addition to offering better overall performance than the T46G, the T46S features up to 16 SIP accounts, 4.3" 480 x 272-pixel colour display with backlight and dual-port gigabit ethernet.
YEALINK SIP-T42S IP PHONE
The Yealink T42S IP phone is a dynamic business communications tool for superior voice communications and extended functionality.
YEALINK SIP-T41S IP PHONE
The Yealink T41S is a feature-rich business tool for superior communications and extended functionality. The SIP-T41S is a six-line IP phone that comes with built-in programmable keys to enhance productivity.
YEALINK SIP-T40G IP PHONE
The Yealink T40G is an entry-level SIP desk phone with a host of features and advanced capabilities. Support for up to 3 SIP accounts and 2 x Gigabit Ethernet ports for high-speed connectivity are some of the main features business users can expect from this affordable VoIP Phone
Yealink T4X Series IP Phones
| Model | SIP-T48S | SIP-T46S | SIP-T42S | SIP-T41S | SIP-T40G |
| Phone |  |
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 |
 |
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| Download | Datasheet | Datasheet | Datasheet | Datasheet | Datasheet |
| LCD | 7″ color | 4.3″ color LCD | 2.7″ graphical LCD | 2.7″ graphical LCD | 2.3″ graphical LCD |
| touch screen | |||||
| Resolution | 800 x 480 | 480 x 272 | 192 x 64 | 192 x 64 | 132 x 64 |
| LCD Backlight | √ | √ | √ | √ | √ |
| Line | 16 | 16 | 12 | 6 | 3 |
| PoE | √ | √ | √ | √ | √ |
| GigE | √ | √ | √ | x | √ |
| Wall Mounting | √ | √ | √ | √ | √ |
| Foot Stand | 2 adjustable angles | 2 adjustable angles | 2 adjustable angles | 2 adjustable angles | 2 adjustable angles |
| USB Port (2.0 compliant) | 1 | 1 | 1 | 1 | x |
| Ethernet Port | Dual-port Gigabit Ethernet | Dual-port Gigabit Ethernet | Dual-port Gigabit Ethernet | 2 x RJ45 10/100M Ethernet ports | Dual-port Gigabit Ethernet |
| Handset Port (RJ-9) | √ | √ | √ | √ | √ |
| Headset Port (RJ-9) | √ | √ | √ | √ | √ |
| External Yealink AC Adapter (optional) | AC 100~240V input and DC 5V/2A output | AC 100~240V input and DC 5V/2A output | AC 100~240V input and DC 5V/1.2A output | AC 100~240V input and DC 5V/1.2A output | AC 100~240V input and DC 5V/600mA output |
| Line Key | 0 | 10 | 6 | 6 | 3 |
| Memory Key | 29 touch keys | 27 (3 pages of 9 keys) | 15 (3 pages of 5 keys) | 15 (3 pages of 5 keys) | 3 |
| Yealink EXP50 Expansion Module | X | X | X | X | X |
| (Accessory, purchased separately) | |||||
| Yealink EXP40 Expansion Module | √ | √ | x | x | x |
| (Accessory, purchased separately) | |||||
| Yealink EXP20 Expansion Module | X | X | X | X | X |
| (Accessory, purchased separately) | |||||
| Yealink EHS36 Wireless Headset Adapter | √ | √ | √ | √ | √ |
| (Accessory, purchased separately) | |||||
| Yealink YHS32 Headset | √ | √ | √ | √ | √ |
| (Accessory, purchased separately) | |||||
| Yealink Bluetooth Adapter BT40 | √ | √ | √ | √ | X |
| (Accessory, purchased separately) | |||||
| Yealink Wi-Fi Adapter WF40 | √ | √ | √ | √ | X |
| (Accessory, purchased separately) | |||||
| USB Recording | √ | √ | √ | √ | X |
| 3-way Conferencing | √ | √ | √ | √ | √ |
| HD Voice | HD Speaker | HD Speaker | HD Speaker | HD Speaker | HD Speaker |
| HD Handset | HD Handset | HD Handset | HD Handset | HD Handset | |
| Wide-band Codecs | G.722，Opus | G.722,Opus | G.722, Opus | G.722,Opus | G.722,Opus |
| Narrow-band Codecs | G.711(A/µ), G.729A/B, G.726, | G.711(A/µ), G.729A/B, G.726, | G.711(A/µ), G.729A/B, G.726, | G.711(A/µ), G.729A/B, G.726, | G.711(A/µ), G.729A/B, G.726, iLBC |
| G.723.1, iLBC, Opus | G.723.1, iLBC, Opus | G.723.1, iLBC, Opus | G.723.1, iLBC, Opus | ||
| LCD Type | Fixed | Fixed | Fixed | Fixed | Fixed |
| Operating System | Linux | Linux | Linux | Linux | Linux |
| Built-in Bluetooth | X | X | X | X | X |
| Built-in Wi-Fi | X | X | X | X | X |
| USB Headset | √ | √ | √ | √ | X |
| (Accessory, purchased separately) | |||||
| Camera | X | X | X | X | X |
| Video Resolution | X | X | X | X | X |
| Video Codecs | X | X | X | X | X |
| 3-way Video Conferencing | X | X | X | X | X |
| 5-way video/audio mixed conferencing | X | X | X | X | X |
| HDMI | X | X | X | X | X |