This video demonstrates how to utilize the various features on Grandstream's GXP2135. Please select "Show More" to jump to specific tutorials.
Answering Calls: 00:01
Dialing Out: 00:14
Voicemail: 00:34
Address Book: 00:51
Speed Dials: 01:33
Blind Transfer: 01:59
Attended Transfer: 02:22
Conference: 02:48
Hold: 03:20
Parking Calls: 03:42
Do Not Disturb: 04:02
Mute: 04:18
Volume Control: 04:35
History: 04:52
Redial: 05:04
![](https://s2.save4k.ru/pic/KEP3TVdwoNI/maxresdefault.jpg)