Phones

now browsing by category

All things telephone related.

 

SIP-itty doo da

Curious about SIP (Session Initiation Protocol)? Learn what is and how it works from this very detailed Avaya overview.

 

avaya logo

Avaya

PhonesUSAplus is branching out into Avaya phone systems! Avaya is “a global provider of business communications and collaboration systems.” Check out this example of an Avaya phone system and its features.

220px-Avaya_Logo.svg