# Trunk Attributes

## Purpose

The Trunk Attributes form is used to assign a Class of Service, Class of Restriction, Baud Rate, Intercept Numbers and a Trunk Label to all trunks. This form also

- defines Answer Points for Non-Dial-In (attendant-handled) trunks under the three modes of service: Day, Night 1 and Night 2.

- defines Digit Modification plans for Dial-In trunks.

- enables Call Recognition Service on trunks used to handle calls for External Hot Desk Users.

- enables Caller Based Routing service on trunks to route incoming Public Switch Telephone Network (PSTN) calls.

- enables the Direct Inward Dialing (DID) Service feature on specified trunks.

Use this form when performing the following tasks:

- Program Analog Trunks

- Program a Digital Trunk

- Configuring Direct Inward Dialing (DID) Service

## Conditions

- A Multi-Device
  This Service Level indicates that the directory number (DN) is assigned to a user that has only basic telephony functionality (e.g., emergency or attendant calls) until programmed as a member of a Multi-Device user group or suite. The DN does not use an IP User License. However, the group or suite has a Multi-device Users or Multi-device Suites license which one person can use at a time in order to receive full telephony service. DN can be programmed as a Non-Dial-In Trunks Answer Point (Day, Night 1, or Night 2), provided that the DN is the prime member of a Multi-device User Group.

- The maximum Trunk Service Number is 150.

- IP Trunks and incoming PSTN trunks must be set to a "Non-Dial-In Trunks Answer Point" or the "Dial-In Trunks Incoming Digit Modification Absorb" field must be set to '0'.

- Call Recognition Service and Direct Inward Dialing Service are not mutually exclusive and can be enabled at the same time. In a rare conflict scenario where FOPBX (Force-to-PBX) is configured as the CRS option, both CRS and DID services are enabled, and the EHDU external number matches the DID number, the call will be handled by the CRS and not the DID Service.

If an EHDU makes a DID call (DID number hosted by the EHDU's home node), both CRS and DID services will be applied to the call and the query will find both the EHDU and the DID destinations. This query will be performed at trunking gateway only.

- The Trunk Answer Points parameters (Dial-In and Non-Dial-In) and the Direct Inward Dialing Service are mutually exclusive. If the DID Service is active, all Trunk Answer Points fields must be blank.

- To avoid performance degradation, enable the Direct Inward Dialing Service option only on the ingress trunking gateway and not on any other node in the cluster or network. Otherwise, CRS queries will be performed on each node that has the DID Service enabled.

## Field Descriptions

Parameter | Description | Default Value
Trunk Service Number | System-generated, protected field. Lists the Service Numbers that are referred to in the Digital Trunks form or Analog Trunks form. |
Release Link Trunk | To use the Trunk Service Number for a Release Link trunk, specify the type of trunk. Use "DPN" for DPNSS trunks or "E&M" for E&M (including Digital E&M trunks) trunks. Select "No" if the trunk is not a Release Link trunk. | No
Call Recognition Service | Indicates the EHDU service type that the trunk uses when handling calls for External Hot Desk Users (EHDU). Select "Off"' to require EHDUs users to log in using their assigned DN and PIN. Select "Trusted" if the trunk is trusted. The EHDU user is automatically logged in. Select "Non-Trusted" if the trunk is not-trusted. The EHDU user is required to log in using the assigned PIN. Select "Trusted FOPBX" if the mobile carrier is trusted. The EHDU user is automatically logged in. Select "Non-Trusted FOPBX" if the mobile carrier is non-trusted. The EHDU user is required to log in using the PIN. For more information, see Call Recognition Service. | Off
Direct Inward Dialing Service | Select "On" to enable the DID Service, which will redirect incoming DID calls to assigned destination numbers, based on the mapping configured in the DID Service form. This option should be enabled only on ingress trunking gateways. NOTES The Trunks Answer Point parameters and the DID Service are mutually exclusive. If this field is set to "On", all Trunk Answer Point fields in this form (Dial-In and Non-Dial-In) must be set to 0 (zero). It is recommended that before using the DID Service feature, all nodes in the network (or at least the resilient pair related to the specific DN) be upgraded to Mitel MiVoice Business Release 7.0. | Off
Caller Based Routing Service | Select On to enable the Caller Based Routing service for a selected trunk. The switch controls whether Caller Based Routing must be enabled for a particular trunk or not. ensuring that toll fraud does not occur. CAUTION: Enabling the Caller Based Routing feature could lead to toll fraud. The system administrator must exercise caution before enabling this feature. | Off
Class of Service | Enter the COS number that defines the required options for the trunk (mandatory field). | 1
Class of Restriction | Enter the COR number for the trunk. This COR number must not have been assigned to a station (mandatory field). | 1
Baud Rate | Select the maximum baud rate which the trunks associated with the trunk service number will accept. Allowed values are "110", "150", "200", "300", "600", "1200", "1800", "2400", "4800", and "9600". Baud Rate for DASS trunks should be 9600. | 300
Intercept Number | Enter an intercept number which will link the trunk service number to a version of the Intercept Handling form. | 1
Non-Dial-In Trunks Answer Point - Day | Enter any valid station, hunt group pilot number, DISA number, or System Speed call number to which incoming trunk calls can be routed during the Day service. An entry is required for each service mode (Day, Night 1, Night 2). Any trunk may have the same Answer Points under each mode of service. NOTES A Hot Desk user DN cannot be a Trunk Answer Point. If a Hot Desk user is logged in on a Registration DN that is a Trunk Answer Point, calls will follow out-of-service handling. The Answer Point and Digit Modification columns are mutually exclusive. If one is filled out, the other must be left blank for any given trunk. Both the Answer Point and Digit Modification columns are left blank if the trunk is outgoing only. | Blank
Non-Dial-In Trunks Answer Point - Night 1 | Enter any valid station, hunt group pilot number, DISA number, or System Speed call number to which incoming trunk calls can be routed during the Night 1 service. An entry is required for each service mode (Day, Night 1, Night 2). Any trunk may have the same Answer Points under each mode of service. The above notes for Day service answer point also apply. | Blank
Non-Dial-In Trunks Answer Point - Night 2 | Enter any valid station, hunt group pilot number, DISA number, or System Speed call number to which incoming trunk calls can be routed during Night 2 service. An entry is required for each service mode. Any trunk may have the same Answer Points under each mode of service. The above notes for Day service answer point also apply. | Blank
Dial-In Trunks Incoming Digit Modification - Absorb | Number of leading digits to remove from the digit stream received from the Central Office or remote system. The maximum number of digits is 26. Dial-in trunks used as incoming trunks must always have an entry in the Absorb column. (You must enter "0" if no digits are to be absorbed. If you leave this field as Blank, calls will fail). | Blank
Dial-In Trunks Incoming Digit Modification - Insert | The actual digits to insert as leading digits to form a Directory Number or hunt group Pilot Number. The maximum number of digits is 7. NOTE: The Answer Point and Digit Modification columns are mutually exclusive. If one is filled out, the other must be left blank for any given trunk. Both the Answer Point and Digit Modification columns are left blank if the trunk is outgoing only. If a Dial-In trunk does not require digit modification, enter "0" in the Absorb field and leave the Insert field blank. | Blank
Dial-In Trunks Answer Point | Enter a valid voice mail hunt group directory number (1-26 digits comprising 0-9, *,#) to which incoming calls can be routed, for example MiCollab Nupoint UM or MiVoice Business embedded voice mail. NOTES The Dial-In Trunks Insert Forwarding Information field must be enabled to program Dial-In Trunks Answer Point. The Dial-In Trunks Answer point can be any valid or invalid number, however to achieve direct to voice mail the DN must be a voice mail Hunt group DN. The Dial-In Trunks Answer Point and Non-Dial In Trunks Answer Point fields are mutually exclusive. An attempt to fill in both fields yields the following error message: It is invalid to fill in both the Non-dial In and Dial-In Fields. | Blank
Dial-In Trunks Insert Forwarding Information | Choose "Yes" to direct the call to the answer point with the forwarding from information included. NOTES The call preserves the original ‘Forward From’ information if it is forwarded always by multiple DNs before being directed to the final destination. It is the final destination DN (while ringing) that displays the ‘Forward from’ information of the first DN that forwarded the call. If the incoming call is a forwarded call, the forwarding information received is always displayed regardless of whether this option is set. | No
Trunk Label | Enter the character string that will identify the trunk at the attendant console, display set, and in the Traffic Report. This is an optional, 10 character field. Several trunks may share the same label. NOTE: The label must contain at least one letter. | Blank