If caller ID works on line one then that means there is a caller ID card installed for lines 1-4. You can turn off caller id per line, maybe line two is turned off.

Barging in, or Executive Busy Override, is enabled in Class of Service. If all exts are in COS 1, enable exec busy override in that COS. Then you can press 3 to barge in.

One digital extension will give you 2 ports on a tva 50. If the tda and the tva50 are syncd the light on the tva50 will be solid green. If you aren't tda certified and don't have the PC Programming tool it isn't gonna be easy to accomplishing most of this.


Aaron