Hi all, I've got a total N00b question, and inherited this setup... I am very new to telephony so limited experience on this front.
I have a Cisco 2921 with a
NAME: "VWIC3-2MFT-T1/E1 - 2-Port RJ-48 Multiflex Trunk - T1/E1 on Slot 0 SubSlot 1", DESC...