The Aastra 57i 2.2 software has this ASCII art embedded:
| ("`-''-/").___..--''"`-._ | Line (`6_ 6 ) `-. ( ).`-.__.`) | Manager (_Y_.)' ._ ) `._ `. ``-..-' | _..`--'_..-_/ /--'_.' ,' | (il),-'' (li),' ((!.-'
Is it a Cat? Or is it a Pig?