T4 Series Phones
![](https://www.yealink.com/website-service/attachment/library/image/20220519/20220519090714474db204006404ab146d900ea7084b0.png)
T42S Voicemail
![](https://www.yealink.com/website-service/attachment/library/image/20220519/2022051909074214176deb79140c0b94c7eeb477837a4.png)
T42S Conference Calling
![](https://www.yealink.com/website-service/attachment/library/image/20220519/202205190908111621ae7bf864f9c97fc67c0e9e01eff.png)
T42S Call Transfer
![](https://www.yealink.com/website-service/attachment/library/image/20220519/20220519091414365593fdd02497d97d15920cb062cf6.png)
T42S Call Forwarding
![](https://www.yealink.com/website-service/attachment/library/image/20220519/20220519091433319cd60dfe1404cbaafdf8678d01d40.png)
T42S Bluetooth
![](https://www.yealink.com/website-service/attachment/library/image/20220519/20220519091449444936f4ff14048848f1ecb4383ce06.png)
T42S Busy Lamp Field BLF
![](https://www.yealink.com/website-service/attachment/library/image/20220519/20220519091507399d45aac54028a14aefe8a77ad458.png)
T42S Overview
![](https://www.yealink.com/website-service/attachment/library/image/20220519/20220519091525761efe2f71343c9a66e0965d320d3e5.png)
T46S Voicemail
![](https://www.yealink.com/website-service/attachment/library/image/20220519/202205190915424223eb8313b4d54ab34d1507da1b02f.png)
T46S Call Transfer
![](https://www.yealink.com/website-service/attachment/library/image/20220519/2022051909163037588714d7e42988a95c9c9c0be3534.png)
T46S Conference Calling
![](https://www.yealink.com/website-service/attachment/library/image/20220519/2022051909175344982e2700945afb5df7debe58ed817.png)
T46S Call Forwarding
![](https://www.yealink.com/website-service/attachment/library/image/20220519/20220519091808755d6d1b8e440f99b508555043ac72.png)
T46S Busy Lamp Field BLF
![](https://www.yealink.com/website-service/attachment/library/image/20220519/20220519091819980a36b46fc4813b9d5d43520183f67.png)
T46S Bluetooth
![](https://www.yealink.com/website-service/attachment/library/image/20220519/202205190918372795a00730b4c0795cdbcce46ca61a7.png)
T46S Overview
![](https://www.yealink.com/website-service/attachment/library/image/20220519/20220519091854411d5505384297a877bef18e052b27.png)
T48S Voicemail
![](https://www.yealink.com/website-service/attachment/library/image/20220519/2022051909191062407ba754b490ebd3e74cb7730e2f9.png)
T48S Conference Calling
![](https://www.yealink.com/website-service/attachment/library/image/20220519/2022051909192468986402eed4e76a22c62cc364abf34.png)
48S Call Transfer
![](https://www.yealink.com/website-service/attachment/library/image/20220519/20220519091940830f71d75c14390984faeaae4486da0.png)
T48S Call Forwarding
![](https://www.yealink.com/website-service/attachment/library/image/20220519/20220519091956776ce4f48794f1bb43a86c37bf919da.png)
T48S Busy Lamp Field BLF
![](https://www.yealink.com/website-service/attachment/library/image/20220519/2022051909201112e905e050446298204b045a7121c8.png)
T48S Bluetooth
![](https://www.yealink.com/website-service/attachment/library/image/20220519/20220519092042251bd1dd9f345dab6f1371aa0057d89.png)
T48S Overview