Group

The trunk group number (1-2000)

Type

The trunk group type (loop-start, did)

Dial

The dial type (rotary or dtmf)

Tac

The Trunk Access Code (1 to 4 digits). # and * are valid entries and are only allowed as the first character of the TAC.

Port

The virtual integrated port assignment

Supervision

Incoming signaling supervision mode (immediate, wink)

Treat

The digit treatment (blank, absorb 1-5, insert 1-4)

Insert

The digits to insert in the dial string

Codeset Display

The Q.931 codeset that sends display information to the user phone (codeset0, codeset6, codeset7)

Codeset National

The Q.931 codeset that sends National IE display information to the user phone (codeset6, codeset7)

Channel Preference

Defines how the Channel Identification IE field is encoded (exclusive, preferred)

Digit Handling

Defines how the inbound/outbound calls handle the transmission/reception of the dialed pattern (enbloc-enbloc, enbloc-overlap, overlap-enbloc, overlap-overlap)

Japan Discon

Whether to perform a disconnect sequence (CONNECT message followed by a DISCONNECT message)

Send Name

Whether the calling, connected, called, or busy party’s administered name is sent to the network on outgoing or incoming calls (yes, no, restricted)

Send Number

Whether the calling, connected, called, or busy party’s administered number is sent to the network on outgoing or incoming calls (yes, no, restricted)

Format Number

The numbering plan for this trunk. The numbering plan encodes the Numbering Plan Indicator and Type of Number fields in the Calling/Connected Party Number IE in the ISDN protocol (unknown, public, private, unknownprivate).

Trunk Hunt

The trunk-hunting search within a facility in an ISDN trunk group or through a non-ISDN digital trunk group (ascend, cyclical, descend)