Telephony Function Codes
Maximum number of parties in a
conference
8
Maximum number of public trunk
lines in a conference
8 North America: 6
Maximum number of external
lines in a conference
8 North America: 6
PBX Operator Service Codes
Selection of a specific line within
aroute
0 North America: 3
Conference
3 North America: 4
Day/night status for the exchange
80
Emergency switching 90
1091424-EN LZT 103 091 Uen A1 2008-10-27