VoIP Phones Articles

How do I provision a phone?

How do I setup Hot Desking?

How do I configure BLF keys for a handset?

How do users configure their own line keys via the CallSwitch One App

What is a BLF?

How do I add a Remote Phone Book to a Yealink Deskphone

What firmware do I need for Yealink handsets to work on CallSwitch One?

Why won't my phone won't provision on CallSwitch One?

How do I set Default & Distinctive Ringtones?

What are some useful config lines for my Yealink devices?

How do I set up Advanced Config for Grandstream Devices?

How do I configure a Polycom VVX410?

How do I configure a Snom IP phone?

How do I set up a Cisco SPA303 IP phone?

How can I add and update hardware devices in bulk?

Why isn't my Grandstream WP820 provisioning?

Which Hardware Devices can be Auto-provisioned on CallSwitch One?

What are the Password Requirements for my Yealink?

How do I enable Hybrid (SIP) Mode on Yealink Teams devices?

How can I configure line keys for a Yealink expansion module?

How do I transfer a call using the mobile app?

How do I set up a Yealink W80/W90DM with CallSwitch One?

Yealink RPS and Security Updates (August - October 2025)

What are the Grandstream HT801/2 IVR Menu Codes?

What are the Yealink Line Key types and values?