12 SIP IP-PBX ........................................................ 110
12.1.2 Gateway ................................................................114
12.2.1 General..................................................................118
12.3 Status ..................................................................122
12.4 Features ..............................................................124
12.4.1 Voicemail .............................................................. 124
12.5 Report ..................................................................129
12.6 Utilities .................................................................129
and Subnets ......................................................134