Category Archives: SIP phone

What is a SIP Call? What Are the Benefits of SIP Calling?

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 GXP2135 arrived ... READ MORE