AASTRA 7446ip (5446ip) Premium for BusinessPhone User Guide EN - Manual (Page 87)

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
a route 0 North America: 3
Conference 3 North America: 4
Day/night status for the exchange 80
Emergency switching 90
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