Hello every body ...  I need to deploy the Best practices for the links (PO) connectivity between Two VSS (4500) and Two Nexus (9300) , Q1:We will create one PO for all the 4 links between VSS & NK,, OR for Each Nexus will create on PO OR the each N...

I don't hear any welcome message when i call the pilot number,, Still i am not connecting FXO lines,, but i am testing it internally  thru dial Ext (444) from any IP Phone, When i dial this ext 444 it gives busy tone,,, CME router 2811 ,, version: c2...