The Network Interface Controller (NIC) type indicates which
telephony network that this NIC functional component provides
an interface. The possible options are:
'generic': Generic NIC (typically only used for testing)
'att': AT&T NIC
'aucsINAP': AT&T Unisource Capability Set Intelligent
Network Application Protocol NIC
'cain': Nortel Carrier Advanced Intelligent Network
NIC
'crsp': Call Routing Service Protocol NIC
'cwc': Cable & Wireless Communications NIC
'gktmp': Gatekeeper Transaction Message Protocol NIC
'incrp': Intelligent Network Call Routing Protocol NIC
'mci': MCI NIC
'nortel': Nortel NIC
'ntl': ntl Group Ltd. NIC
'sprint': Sprint NIC
'ss7in': Signaling System 7 Intelligent Network NIC
'stentor': Stentor NIC
'timINAP': Telecom Italia Mobile Intelligent Network
Application Protocol NIC