I am looking at below mentioned models to buy for our office. I wold like to know if any of you have experience with any of these models? and how they are in terms of quality and setup, provisioning... with FreePBX (PIAF).
unfortunately i couldnt include my favorite brand (Aastra) on the list due to their high price!
-GRANDSTREAM GXP2124 HD
-tiptel IP 284
-Yealink SIP-T26P IP Phone