Category Archives: SIP phone
August 25, 2020
What is a SIP Call? A SIP Call is a telephone call generated through the process of transmitting voice calls over a SIP Trunk. To ... READ MORE
Can I Upgrade Yealink’s Open SIP Phone to Microsoft Teams?
September 18, 2019
Our tech support team at VoIP Supply offers great pre- and post-sales support plus provisioning, consultations, configuration, and installation help. We get a lot of ... READ MORE
Polycom Phones vs Yealink Phones: What are the differences?
August 8, 2018
Our tech support team at VoIP Supply offers great pre- and post-sales support plus provisioning, consultations, configuration, and installation help. We get a lot of ... READ MORE

How to Upload a Contact Photo on the Yealink T48G
September 1, 2017
If you have a desk at work then chances are you have a phone on your desk. The kind of phone that is on your ... READ MORE
What are SIP Phones?
March 9, 2016
Note: This post was updated March, 2020. Click here to view the updated post!
SIP phones are no doubt the hottest topic in the telecommunication industry ... READ MORE
First Look: Grandstream GXP2135 Enterprise SIP Phone
February 11, 2016
If a high level enterprise phone is on your list of "Things to buy to improve my work environment ," then Grandstream's newly released GXP2135Â arrived ... READ MORE