Wholesale: Products & Services

Wireless Type 1 Interconnection Service (Type 1) - V11.0

History Log

Product Description

Wireless Type 1 Interconnection Service (Type 1) is a finished service for Paging, Personal Communication Service (PCS), Cellular and Mobile services. It provides a switched connection to the CenturyLink Public Switched Telephone Network (PSTN). Type 1 is an Interconnection between your Point of Interface (POI) and the CenturyLink Switch, which is usually the POI's Serving Wire Center (SWC). As the physical demarcation between your network and the CenturyLink PSTN defines where one party's network responsibility ends and the other party's begins.

Because Type 1 is a finished service, CenturyLink provisions all connections necessary for complete connectivity between your POI and a CenturyLink terminating end office. Type 1 provides the routing of the traffic between your end-user and CenturyLink's end-user.

Type 1 is a trunk side connection with line treatment, except for a two-wire analog channel, which is available as a line side connection. All types of traffic and both directions of traffic (Land to Mobile and Mobile to Land) are routed over the Type 1 Interconnection.

Type 1 requires the assignment of blocks of numbers from a CenturyLink NPA NXX to the Wireless Service Provider (WSP). These numbers are generally assigned from the CenturyLink SWC.

The following subject areas provide an overview of Type 1:

  • Method of Interconnection
  • Trunking
  • Facility Levels
  • Signaling Requirements

Method of Interconnection

CenturyLink offers Entrance Facility as your method of interconnection. Entrance Facility is a facility provided by CenturyLink from your POI to the CenturyLink SWC.


Analog and digital trunks are available for Type 1 service. You must request digital interconnection facilities for carriage of digital trunks.

Analog 2-Wire

  • 1-way-in (land to mobile): Loop with Reverse Battery, Trunk Side Termination
  • 1-way-out (mobile to land): Loop with Reverse Battery, Trunk Side Termination
  • 1-way-out (mobile to land): Loop Start, Line Side Termination
  • 1-way-out (mobile to land): Ground Start, Line Side Termination

Analog 4-Wire

  • 1-way-in (land to mobile): E&M Signaling, Trunk Side Termination
  • 1-way-out (mobile to land): E&M Signaling, Trunk Side Termination
  • 2-way: E&M Signaling, Trunk Side Termination

Digital 4-Wire

  • 1-way-in (land to mobile): trunk side termination
  • 1-way-out (mobile to land): trunk side termination
  • 2-way: trunk side termination, available for wireless but not for paging traffic

Facility Levels

Trunk group connections will be made at a DS0, DS1 or DS3.

Signaling Requirements

Type 1 can be provisioned using Multi-Frequency (MF), Dial Pulse Multi-Frequency (DTMF) or Dial Pulse (DP).

Trunk Groups

Type 1 traffic - local, Directory Assistance (DA), 911/E911 and Operator Services (OS) may be carried on a single 2-way trunk group or a 1-way out going and 1-way incoming trunk groups. You may request a separate 2-way trunk group for each type of traffic. DA, 911/E911, and OS traffic are not carried on Type 1 trunks for paging.


Wireless Type 1 Service is available where facilities exist throughout CenturyLink QC.

Terms and Conditions

Type 1 terms and conditions are set forth in the State Exchange and Network Service Tariffs located in Tariffs/Catalogs/Price Lists or through your individual Interconnection Agreement.

You may purchase Type 1 out of the state tariff in CenturyLink QC, except for the three states of North Dakota, South Dakota and Washington .

You may negotiate an Interconnection agreement with CenturyLink for any state. Members of CenturyLink's negotiation team negotiate these agreements See CenturyLink Wholesale Interconnection Agreement Negotiation Process for more information.

You may "pick and choose" an entire agreement or sections from multiple existing agreements to create their own agreement when negotiating a new agreement or upon the expiration of the existing agreement. In addition, if requirements are met, you may "pick and choose" from any subsequent agreement in effect to amend or replace your existing agreement.

The term of the agreement is either the same as that of the agreement picked in its entirety or the shortest term amongst the multiple agreements.

Technical Publications

Technical characteristics can be found in the following Telcordia Special Reports (SRs), SR-2275, Notes on the Network.

Network Channel /Network Channel Interface (NC/NCI™) codes are described in Technical Publication, Network Channel (NC) codes and Network Channel Interface (NCI) Codes Combinations, 77203.


Rate Structure

Recurring charges are comprised of the following rate elements:

  • Digital Facility
  • Analog 2-Wire Channel
  • Analog 4-Wire Channel
  • Multiplexing
  • Dedicated Transport

Nonrecurring charges are comprised of the following rate elements:

  • Digital Facility
  • Analog 2-Wire Channel
  • Analog 4-Wire Channel
  • Multiplexing
  • 4-Wire Digital Channel

Additional rate element information can be found in your Interconnection Agreement.


Wholesale rates for this product or service, including tariff references and any applicable discounts, are provided in your current Interconnection, Resale, Commercial, or other governing agreement.

Tariffs, Regulations and Policy

Tariff, regulations and policies are located in the state specific Tariffs/Catalogs/Price Lists.

Optional Features

SHARP/SHARP Plus (Self-Healing Alternate Route Protection/Self-Healing Interoffice Protection) - Is provisioned solely on fiber optics and provides a separate facility path for the protection between the CenturyLink SWC and your premises. It protects you against failure of primary fiber route and the electronics in the local loop. The SHARP Plus* feature extends the same alternate route protection into the interoffice portion of the circuit.

Facility Protection - Provides you with continual communication. The two types of Facility Protection are Diversity and Avoidance, that can be requested separately or in combination. Diversity is a one-to-one alternate working circuit that is diversely routed from the primary circuit. Avoidance is a circuit that is physically routed to avoid a designated geographic location or wire center.

* NOTE: SHARP Plus is no longer available for new service requests. The grandparenting action will affect you in the following ways:

  • No new requests for Sharp PLUS will be accepted.
  • Existing 12, 24 36 and 60-month customers can, and would be expected to, remain on the plan for the duration of their contract life or until they convert to a new plan.
  • Renewals or extensions to existing agreements are no longer available.

For additional information about the grandparenting of SHARP Plus contact your CenturyLink Service Manager.

Long Distance Restriction - Designed to restrict the your End-User from accessing the Intra or Inter LATA long distance networks (Mobile to Land).


Features Benefits
Provides access to a ubiquitous world-class network covering CenturyLink QC Access to a highly reliable, advanced network


See Features and Benefits section


Product Prerequisites

If you are a new WSP and are ready to do business with CenturyLink, view Getting Started as a Facility-Based WSP. If you are an existing WSP wishing to amend your Interconnection Agreement or Customer Questionnaire, additional information is located in the Interconnection Agreement.


Pre-ordering section does not apply to Type 1


Type 1 service requests are submitted using the following Access Service Ordering Guidelines (ASOG) forms:

  • Access Service Request (ICASR)
  • Feature Group A Screen (ICFGA)
  • Additional Circuit Information (ICACI)
  • Transport Request (ICSPE)

Field entry requirements are described in the Access Service Request (ASR) Forms.

A Design Layout Record (DLR) request is requested through an ASR.

Provisioning and Installation

Service intervals are found in the Service Intervals Guide (SIG).

Maintenance and Repair

You can initiate trouble reports for Wholesale Products and Services via electronic or manual interfaces enabling you to initiate, change, and cancel trouble reports to CenturyLink. CenturyLink will update you on the status of your trouble report through final disposition. If your end-users experience problems with their wireless service, provisioned with CenturyLink provided products and services, their first point of contact is you, their wireless service provider. Prior to issuing a trouble report to CenturyLink, you must isolate your end-user's trouble to the CenturyLink provisioned product or service.

The electronic method is Customer Electronic Maintenance and Repair-Maintenance Ticketing Gateway System (CEMR-MTG), a graphical user interface to CenturyLink Operation Support Systems for trouble administration activities such as creating and editing trouble reports, monitoring status and reviewing trouble history on Circuit IDs. To learn more about CEMR-MTG, see Customer Electronic Maintenance and Repair-Maintenance Ticketing Gateway (CEMR-MTG).

The manual method for Type 1 maintenance and repair problems are reported to the CenturyLink Customer Service Center 800 784-3414.


Customer Records and Information System (CRIS) billing is described in Billing Information - Customer Records and Information System (CRIS).

Carrier Access Billing System (CABS) billing is described in Billing Information - Carrier Access Billing System (CABS).


View additional CenturyLink courses in the Course Catalog.


CenturyLink contact information is located in Account Team / Sales Executives and Service Managers.

For billing and service request questions contact:

CenturyLink Wholesale Service Center
Provisioning 866-434-2555
Billing 866-434-2555

Frequently Asked Questions (FAQs)

This section is being compiled based on your feedback.

Last Update: March 1, 2019

NC/NCI™ is a Trademark of Telcordia Technologies, Inc