Attachment 1 - Performance Work Statement Dated 17 Apr 2026.pdf

FA460826QS013

Attachment 1

PERFORMANCE WORK STATEMENT (PWS)

Communication Service Authorization (CSA)

Barksdale Air Force Base, LA

VERSION: 3

DATE: 17 Apr 2026

TABLE OF CONTENTS

1. INTRODUCTION

1.1. Objective

1.2. Background

2. SCOPE

2.1. OUTAGES

2.1.1. Scheduled Outage

2.1.2. Unscheduled Outages

2.1.3. Outage Procedures

2.1.4. Outage Priority, Restoration of Service, and Maintenance

2.2. Services Summary

2.2.1 Services Summary (SS)

2.2.2. Inspection

2.3. Grade of Service………………………………………………………………………...8

3. GOVERNMENT FURNISHED EQUIPMENT AND SERVICES

4. GENERAL REQUIREMENTS

4.1. Personnel

4.2. Government Emergency Telecommunications Service (GETS)

4.3. Installation and Cutover………………………………………………………………...9

4.4 Safety, Health and Fire Protection Requirements..…………………………………11

5. APPENDICES

APPENDIX 1 – SITE SPECIFIC REQUIREMENTS

APPENDIX 2 - DEFINITIONS & ACRONYMS ......................................................... 12-19

1. INTRODUCTION

1.1. Objective

This requirement will provide essential local area Telecommunication Services (TS) and features supporting Barksdale AFB. Site specific equipment connectivity requirements are identified in Appendix 1, along with required features. Support shall be provided to the installation 24 hours a day/seven days a week/365 days a year (24/7/365).

1.2. Background

Historically, the 38th Contracting Squadron (38 CONS) acquired local TS on behalf of its customer sites using a government-driven Performance Work Statement (PWS), which limited the contractor to providing services using legacy systems and equipment.

Due to changes in technology, equipment, and processes, it has become evident that the Government should acquire these services in a performance-based manner, consistent with the principles contained in Air Force Instruction (AFI) 63-138 “Acquisition of Services.” These services are considered Information Technology (IT) In Accordance With (IAW) Defense Federal Acquisition Regulation Supplement (DFARS) 239.74 “Telecommunications Services.” The requirement herein represents the site’s performance-based requirements for local “dial-tone” and ancillary services as defined herein. As a part of the new process, the Air Force (AF) encourages the Contractor to identify or suggest improvements to existing CSA processes, operating procedures, systems, or applications to the Contracting Officer (CO).

2. SCOPE

The Contractor shall provide all labor, tools, facilities, materials, and services needed to perform and provide local access to the designated circuit demarcation point(s) identified in Appendix 1 to this PWS. These services shall include any equipment, wiring, or infrastructure to ensure the Contractor’s proposed solution is compatible with the Government’s current infrastructure without additional Government expense.

Access to the local exchange shall also include operator assistance functions. These services shall not include residential or business services for non-Government entities or Government contractors. The Contractor shall follow all Federal Communications Commission (FCC), Public Utility Commission (PUC), Department of Defense (DoD), AF, and industry standards for this requirement.

The Contractor shall provide and install transmission equipment and cables for local exchange access and transport service circuits to the Government-provided floor space at the Government demarcation location(s) identified in Appendix 1. The Contractor shall connect to Government-provided power connection points and termination frames.

The Contractor shall coordinate with the Government Point of Contact (POC) (primary and alternate names, emails, and telephone numbers shall be provided by the

Government No Later Than (NLT) five days after contract award) prior to any installation. The Government does not authorize aerial cable installations.

2.1. OUTAGES

2.1.1. Scheduled Outage

The Contractor shall notify the Government POC of any scheduled outage that will affect any TS. The Contractor shall inform the Government POC NLT 30 days prior to the scheduled outage. The Contractor shall provide a detailed explanation for the outage to include the amount of downtime and end users affected. The Contractor shall notify the Government POC via email of the need for any scheduled service outages.

Such outages shall be scheduled to minimize inconvenience to government work schedules. The Government POC must release all affected equipment and circuits prior to any service disruption. The Contractor shall follow procedures identified below for outages. In all cases, notification shall include:

• Reason for interruption;

• Duration;

• Start and stop times;

• Affected equipment, lines, and buildings; and

• Restoration action (what service was impacted and how service was restored)

2.1.2. Unscheduled Outages

If multiple facilities, areas, primary trunks, or cables/fibers are impacted, the Communications Focal Point (CFP) and Government POC shall assign the category of the outage and establish the repair priority. The Contractor shall notify the CFP and Government POC verbally of problem(s) and follow-up with documentation via email within time specified for each outage type.

2.1.3. Outage Procedures

The Contractor shall follow procedures identified below for outages. In all cases, notification shall include:

• Reason for interruption;

• Duration;

• Start and stop times;

• Affected equipment, lines, and buildings; and

• Restoration action (what service was impacted and how service was restored)

2.1.4. Outage Priority, Restoration of Service, and Maintenance

The Contractor shall respond and restore service outages. From the time of receipt of the notification, the Contractor shall respond and coordinate with the Government POC within the time limits indicated below. For mission-essential functions, the Government POC shall identify and prioritize the essential contractor services. The Contractor shall prioritize and perform restorations IAW the Telecommunications Services Priority (TSP) and Restoration Priority List (RPL), which are provided by the Government POC. In the event that the Contractor anticipates not being able to perform any of the essential contractor services (i.e. beyond the Contractor’s control) IAW the TSP and RPL during a crisis situation, the Contractor shall notify the Government POC as expeditiously as possible and use its best efforts to cooperate with the Government in the Government’s efforts to maintain the continuity of operations. If the Government POC determines that the outage restoration time frames cannot be met for other non-mission essential functions, the Government POC can declare any outage restoration priority level as high to medium to low if the outage significantly affects the mission of the Government.

2.1.4.1. High Priority Outage

2.1.4.1.1. A high priority outage is normally a sudden and widespread disaster stemming from the result of a man-made or natural disaster in which property, equipment, and site infrastructure are completely destroyed. The Contractor shall respond onsite to the outage NLT one hour of receipt of notification by the CFP or Government POC and advise the CFP and Government POC of its restoration procedures for a catastrophic situation. The Contractor shall provide the CFP or Government POC with updates NLT every four-hours on the status of restoration actions.

2.1.4.1.2. The following defines a high priority outage:

• Loss or degradation to any single or multiple Session Initiation Protocol (SIP) trunk(s), to include supporting systems infrastructure (Core Unified Communication Servers/ Database/ SAN), supporting wireline/fiber infrastructure, and delivery systems (i.e. Multiprotocol Label Switching (MPLS) or equivalent) regardless of location, that result in the following conditions:

- Complete loss of SIP trunking capability to the Government facility regardless of the source location of the outage

- Partial loss of SIP trunking capability to the Government facility regardless of the source location of the outage when the Call Setup Success Rate (CSSR) falls below 25% of system capacity

- Partial loss of SIP trunking capability to the Government facility regardless of the source location of the outage when the Dropped Call Rate (DCR) exceeds 50% of system capacity

2.1.4.2. Medium Priority Outage

2.1.4.2.1. A medium priority outage may be a sudden or widespread disaster stemming from the result of a man-made or natural disaster, which disrupts service to property, equipment, and site infrastructure. The Contractor shall respond on-site to the outage NLT 24-hours after receiving notification by the Government POC.

2.1.4.2.2. The following defines a medium priority outage:

• Loss or degradation to any single or multiple SIP trunk(s), to include supporting systems infrastructure (Core Unified Communication Servers/ Database/ SAN), supporting wireline/fiber infrastructure, and delivery systems (i.e. MPLS or equivalent) regardless of location, that result in the following conditions:

- Partial loss of SIP trunking capability to the Government facility regardless of the source location of the outage when the CSSR falls below 75% of system capacity

- Partial loss of SIP trunking capability to the Government facility regardless of the source location of the outage when the DCR is greater than 5% but less than 50% of system capacity

2.1.4.3. Low Priority Outage

2.1.4.3.1. A low priority outage minimally disrupts service to property, equipment, and site infrastructure. The Contractor shall respond on-site NLT five working days of notification by the Government POC. All future references to days shall indicate working days unless otherwise noted.

2.1.4.3.2. The following defines a Low Priority Outage:

• Loss or degradation to any single or multiple SIP Trunk(s), to include supporting systems infrastructure (Core Unified Communication Servers/ Database/ SAN), supporting wireline/fiber infrastructure, and delivery systems (i.e. MPLS or equivalent) regardless of location, that result in the following conditions:

- Partial loss of SIP trunking capability to the Government facility regardless of the source location of the outage when the CSSR) falls below 90% of system capacity

- Partial loss of SIP trunking capability to the Government facility regardless of the source location of the outage when the DCR exceeds greater than 1% but less than 10% of system capacity

2.2. Services Summary

2.2.1 Services Summary (SS)

Performance

Element Number

Performance Objective

PWS

Paragraph

Performance Threshold

1 Perform and provide local access at the designated circuit demarcation points identified in Appendix 1 to this PWS

1.1 Continuous operation

local phone service 24/7/365 with 99.999% reliability

2 Inform the Government POC NLT 30 days in advance of scheduled outage providing a detailed explanation for the outage

2.1.1 Timely and accurate

notification provided 95% of time

3 Responds and restores High Priority service outages IAW TSP and RPL, and/or the defined outage severity as coordinated with the Government POC

2.1.4.1 Timely and accurate

notification provided 99% of the time

4 Respond and restore Medium Priority service outages IAW TSP and RPL, and/or the defined outage severity as coordinated with the Government POC

2.1.4.2 Timely and accurate

notification provided 95% of the time

5 Respond and restore Low Priority service outages IAW TSP and RPL, and/or the defined outage severity as coordinated with the Government POC

2.1.4.3 Timely and accurate

notification provided 95% of the time

2.2.2. Inspection

The service requirements are summarized into performance objectives that relate directly to mission essential items. The performance threshold briefly describes the minimum acceptable levels of service required for each requirement. The Government has the right to inspect all services identified within the contract (SS and Non-SS items), to the extent practicable at all times and places during the term of the contract.

2.3. Grade of Service

Locations carrying contracted voice grade which is packetized for transport across an IP, MPLS, or other IXC system require grade of service (GoS), implemented as quality of service (QoS), to ensure that end-to-end per-call latency and packet jitter remain within ITU standards. This requirement is applicable to VoIP traffic, video traffic, or other real-time traffic that has been identified and contracted for an elevated GoS. Vendor will ensure QoS end to end including through sub-contracted external LEC/CLEC facilities;

implementation strategies that may include Committed Access Rates (CAR), Expedited Forwarding (EF), and traffic shaping determined by customer marked DSCP packets or pre-contracted data flows.

3. GOVERNMENT FURNISHED EQUIPMENT AND SERVICES

3.1. The Contractor shall be responsible for safeguarding all Government property provided for its use. The Contractor shall secure Government facilities, equipment, and materials before leaving a facility. The Contractor shall safeguard the Government furnished facilities and material contained therein.

3.2. The Government will provide rack space for the installation of the Contractor’s provided transmission equipment. The floor space shall be coordinated with the Government POC to accommodate Contractor-provided relay rack(s), at each demarcation point. Space is available for relay rack(s) for Contractor equipment in the demarcation point.

3.3. The Government will provide sufficient environmental controls to maintain humidity and temperature within the Contractor’s equipment operating specifications. In addition, the Government will provide primary and emergency conditioned power sources to operate the Contractor’s equipment within manufacturer’s specifications.

3.4. The Government will also provide wall space.

4. GENERAL REQUIREMENTS

4.1. Personnel

The Contractor is solely responsible for ensuring sufficient personnel are assigned to this requirement. Appropriate personnel shall possess the qualifications and certifications to perform the requirements listed herein. These qualifications and certifications shall include those required by the Original Equipment Manufacturer (OEM) to maintain, install, and/or operate the equipment covered by this contract.

4.2. Government Emergency Telecommunications Service (GETS)

Government Emergency Telecommunications Service (GETS) will be used in an emergency or crisis situation when the Public Switched Telephone Network (PSTN) is congested and the probability of completing a call over normal telecommunication means has significantly decreased. The Contractor must have NPA (710) in the switch to allow access to the GETS line assigned to a specific site. Authorized users are provided access to an emergency service by dialing 0/1+710-NXX-XXXX. The 710 NPA provides access to a tariffed service of the GETS interexchange carriers and the call is billed to the United States Government. The Contractor shall not provide 10-10 dial around for this CSA.

4.3. Installation and Cutover

In the event that the award is made to the incumbent contractor, no installation/cutover plans are required and this PWS section shall not apply.

In the event the award is made to a non-incumbent contractor, the incoming Contractor shall develop an installation and cutover plan for submittal to the Government no later than five (5) business days after contract award. This plan shall include installation of the initial required services for cutover of local CSA requirements, along with the recommended time frame to complete the cutover process. The Contractor shall coordinate deviations from the proposed installation plan with the Government POC prior to any work commencing in the affected area. The Contractor shall ensure that all circuits, equipment, and service provided by the incumbent, under the prior contract, are disconnected/discontinued upon successful cutover. At this point, the Contractor shall inform the Government POC that the incumbent’s equipment is no longer needed and may be removed by the incumbent. Any omissions or discrepancies in the installation/cutover plans do not relieve the Contractor of its responsibility to install, cutover, and perform all services identified in this requirement. It is the Contractor’s responsibility to resolve any issues associated with these efforts within a time agreed upon by the Government POC and the contractor.

4.3.1. Installation Plan. The Installation Plan shall contain, at a minimum, the following site specific information:

a. Description of new equipment to be installed (include any site support required to support this installation);

b. Detailed location of equipment to be installed;

c. Floor Plan Layout; and

d. Installation schedule.

4.3.2. Cutover Plan. The Cutover Plan shall, at a minimum, contain the following site specific information:

a. Conditions/Support required being in place prior to the start of cutover;

b. A detailed listing of actions/events that must occur for successful cutover of all items identified in the Appendix 1;

c. A listing of the awarded Contractor responsibilities;

d. A listing of Government responsibilities;

e. A dialing test plan to ensure ported numbers work correctly; and

f. A dialing test to access the GETS.

4.4. Safety, Health and Fire Protection Requirements

This PWS requires no special safety precautions outside of OSHA standard safety requirements.

5. APPENDICES

APPENDIX 1 – SITE SPECIFIC REQUIREMENTS

5.1. Required Services and Features

The Contractor shall provide the following Government line of local commercial communications services for Barksdale AFB LA at cutover. Innovative technical solutions are encouraged but must be compatible with the current requirement that is listed in the remainder of this Appendix. The quantity of these initial service requirements will be incorporated into the Pricing Schedule. The installation service requirement will be identified here and in the Pricing Schedule.

The Government telephone system is identified as a Cisco Call Manager and located at two points of presence on Barksdale AF 71110 to be detailed upon award.

A cutover plan shall be provided NLT 5 days after contract award. Cutover for this site must be completed within 60 days after award.

Copper SIP handoff from vendor will be to C8300-1N1S-6T SBC’s. Exact config will be discussed and approved by SME Mr. Glen Ardis.

Briefly, this requirement is for the delivery of a fiber commercial circuit and associated equipment that will provide SIP service as follows:

• 120 Concurrent Off Base Call Paths

• Covers all 15,000 base numbers (See Below)

• Provides Enhanced Features

• Provide 36,000 free off net (commercial conus long distance) call minutes

• Charge per minute for all off net minutes above the 36,000 threshold

• Bill per minute per country for all international calls

Vendor to provide the government with a login to commercial account to monitor and run usage reports for off net long distance and international calls. These CLINS involve variables outside a fixed price and the government must have a way to verify billing.

The Government Communication Services Officer (CSO) and Technical Representative shall be identified at the post award conference and updates provided to the contractor as required by the CO.

5.2. Direct-Inward-Dialing (DID) Directory Numbers.

5.2.1.

NPA- NXX-XXXX DID Directory Numbers

(318) 456-0000 to 9999 10000

(318) 529-1000 to 5999 5000

Vendor to provide (2) commercial numbers for training, troubleshooting, etc. 2

TOTAL 15002

5.3. Exchange and Access Lines. N/A

5.3.1. Commercial Subscriber Lines. N/A

5.3.2. Hot Lines. N/A

5.4. Local Exchange and Access Trunks.

5.4.1. Local Exchange Access Analog Trunks. N/A

5.4.2. Local Exchange Access Digital Trunks. N/A

5.4.3. Local Exchange IP Flex Trunks. N/A

5.5. Foreign Exchange (FX) Lines/Trunks. N/A

5.5.1. Analog FX Line/Trunks. N/A

5.5.2. Foreign Exchange Digital Trunks. N/A

5.6. Transport Channels. N/A

5.7. Data Point-to-Point Circuits. N/A

5.8. Circuit Extension. N/A

5.9. Public Listings. N/A

5.11. Diversity/Diverse Routing. N/A

APPENDIX 2 - DEFINITIONS & ACRONYMS

TABLE A DEFINITIONS:

TERM DEFINITION

Appendix 1 Defines the Barksdale AFB LA requirements detailing locations on circuit delivery.

Call Setup Success Rate (CSSR)

(As defined by International Telecommunication Union) The fractionalized amount of calls that make a successful connection to a dialed number, this is divided by the total number of calls placed.

Circuit Termination Circuit termination at the Government installation includes the Main Distribution Frame (MDF) for analog signals, metallic cable pairs, Digital Signal Cross-Connect (DSX)-1 patch, cross connect panel(s) for T-1 and/or T-3 circuits, fiber optic patch and cross connect panels for optical interface equipment such as the optical carrier or SONET or MPLS systems, optical multiplexer equipment, and may extend to Cat 3/5/6 RJ-45 jack fields if directed by the Government POC to ensure adequate hand off of the circuit to the Government. Other wall-mounted, punch-down, terminal blocks are used for isolation and termination of Contractor metallic facilities.

Cyber Operations Center (CyOC)

A 24/7 Focal Point located on an Air Force Facility that provides one stop notification services and provides reporting and tracking of communications outages to Government users of the communication systems.

Commercial Subscriber lines

(CSL)

A CSL is defined by Government standards as a voice grade subscriber line serving directly from the Contractor’s central office switch to customer’s location.

TERM DEFINITION

Competitive Local Exchange Carrier

(CLEC)

A telephone company that competes with the already established local telephone business by providing its own network and switching.

Contractor A supplier or vendor awarded a contract to provide specific supplies or service to the Government. The term used in this contract refers to the prime.

Customer Premise Equipment (CPE)

Customer-premises equipment or customer-provided equipment (CPE) is any equipment located at a subscriber's premises and connected with a carrier's telecommunication network at the contractually established demarcation point. The demarcation point contractually separates the customer equipment from the equipment located in either the distribution infrastructure or central office of the communications service provider. Vendor installed CPE devices are fully vendor owned, maintained, and monitored by the Vendor’s management platform. CPE equipment can be powered from the customer source electrical system, but a sufficient emergency power source must be available during periods of customer power interruption for any services contractually requiring a high level of reliability.

Customer Service Record (CSR)

Report that details the fixed monthly charges billed by the local telephone company. The CSR is composed of computer codes called USOCs, which in turn correspond to a particular tariffed service.

Defective Service A service output that does not meet the standard of performance associated with the PWS.

Deliverable Anything that can be physically delivered, but may include non-manufactured things such as meeting minutes or reports.

Dropped Call Rate

(DCR)

(As defined by International Telecommunication Union). The fractionalized amount of calls that experience a lost connection after a successful initial call establishment.

TERM DEFINITION

DS-1 A DS level and framing specification for synchronous digital streams, over circuits in the North American digital transmission hierarchy, at the DS1 transmission rate of 1,544,000 bits per second. DS1 is commonly used to multiplex 24 DS0 channels.

Each DS0 channel, originally a digitized voice-grade telephone signal, carries 8000 bytes per second (64,000 bits per second). A DS1 frame includes one byte from each of the 24 DS0 channels and adds one framing bit, making a total of 193 bits per frame at 8000 frames per second. The result is 193*8000 = 1,544,000 bits per second.

Edge Boundary Controller (EBC)

The Edge Boundary Controller is a Customer Provided Network Node device that provides firewall, intrusion detection, routing, QoS, and packet equalization between the Vendors IP Wide Area Network network and the interior customer IP network. The EBC will provide the logical demarcation point between IP SIP delivered services when applicable and will physically interface to the vendor’s CPE Gateway Router device.

Extended Area Calling Service

A geographic area beyond the local service area to which traffic is classified as local for selected customers, i.e., telephone service that allows subscribers in one exchange to call subscribers of another exchange without a toll charge or for a negotiated fixed rate.

Flat Rate A non-fluctuating monthly rate for telephone service in which an unlimited number of local calls can be made without further charge the extent of the contract. The monthly rate is established in the contract.

TERM DEFINITION

Government Emergency Telecommunications Service (GETS)

GETS is a White House-directed emergency phone service provided by the National Communications System (NCS) in the Cyber Security & Communications Division, National Protection and Programs of the Department of Homeland Security. GETS supports Federal, State, local, and tribal Government, industry, and non-Governmental organization (NGO) personnel in performing their National Security and Emergency Preparedness (NS/EP) missions. GETS provides emergency access and priority processing in the local and long-distance segments of the Public Switched Telephone Network (PSTN). It is used in an emergency or crisis situation when the PSTN is congested and the probability of completing a call over normal or other alternate telecommunication means has significantly decreased. The servicing LEC must have NPA (710) in the switch to allow access to the GETS line assigned to a specific site. Dialing 0/1+710-NXX- XXXX provides access to an emergency service for authorized users. The 710 NPA provides access to a tariffed service of the GETS interexchange carriers (AT&T, MCI WorldCom, and Sprint) and the call is billed to the U.S. Government. Web link:

http://gets.ncs.gov/

Incumbent Local Exchange Carrier

(ILEC)

The dominant phone carrier within a geographic area as determined by the FCC Section 252 of the Telecommunications Act of 1996 provided local exchange service to specific area.

Interconnection Agreement

A business contract between telecommunication organizations for interconnecting their networks and exchanging telecommunication traffic. These agreements are present in both public switched telephone networks and the Internet.

Intra LATA Local toll service (also called intra-LATA, local long distance, or regional toll service) provides calling within a geographic area known as a Local Access and Transport Area (LATA). Per-minute toll charges usually apply to these calls.

TERM DEFINITION

Local Exchange Access and Service Areas

The local exchange access service areas shall include the areas/zones coverage as currently defined by the incumbent local service provider(s) and/or the State PUC for the Site and shall be applied under the scope of this contract and provide a list of these local exchange access service areas and any updates as they accrue. When the Contractor provides services to a Government installation, the LATA boundary shall not be limited or restricted to a Contractor’s service area. Connection to intra-LATA exchange areas and with inter-LATA exchange carriers is required.

Measured Rate A message rate structure in which the monthly phone line rental includes a fixed rate on calls within a defined area. Measured services are often charged on the number of calls, the time of day, the distance traveled and/or the length of the call.

Non-Recurring Charges

A one-time fee in accordance with the established tariff rates at time of award that is associated with adding a local exchange service, including installment, activation and/or equipment.

Physical Security Actions that prevent the loss or damage of Government property.

Quality Assurance The Government procedures to verify that services being performed by the Contractor are performed according to acceptable standards.

Quality Control All necessary measures taken by the Contractor to assure that the quality of an end product or service shall meet contract requirements.

Reliability The probability that a system will not fail during a specified period of time.

Resilience The ability of a system to recover to its normal operating form after a failure or an outage.

Session Initiation Protocol (SIP)

(As defined by Internet Assigned Numbers Authority & Request for Comments) a communications protocol for signaling, call setup/teardown, and communication of telephone and Video Real- Time Systems over an IP Based Unified Communication System

TERM DEFINITION

Session Initiation Protocol (SIP) Trunking

SIP trunking is a Voice over Internet Protocol (VoIP) and streaming media service Based on the Session Initiation Protocol (SIP) by which Internet telephone service providers (ITSPs)

SIP Trunk An IP Based virtual connector between Unified Communication Systems designed to transport high-density unicast & multicast telephone/video traffic channels

Traffic Analysis Inference of information from observable characteristics of data flow(s), such as the identities and locations of the source(s) and destinations(s), and the presence, amount, frequency and duration of occurrence.

TABLE B ACRONYMS:

ACRONYM EXTENDED

AF Air Force

AFI Air Force Instruction

BRI Basic Rate Interface

BS Basic Services

BTN Billing Telephone Number

CSSR Call Setup Success Rate

CFP Communications Focal Point

CLEC Competitive Local Exchange Carrier

CO Contracting Officer CPE Customer Premise Equipment

CSA Communication Service Authorization

CSL Commercial Subscriber Lines

CSO Communications Services Officer

DCO Dial Central Office

DCR Dropped Call Rate

DFARS Defense Federal Acquisition Regulation Supplement

DID Direct In Dial

DOD Department of Defense

DP Dial Pulse

DSN Defense Switching Network

DSX Digital Signal Cross-Connect

DTMF Dual Tone Multi-Frequency

EBC Edge Boundary Controller

FCC Federal Communications Commission

FD Full Duplex

FR Flat Rate

FX Foreign Exchange

GETS Government Emergency Telecommunications Service

GS Ground Start

HD Half Duplex

IAW In Accordance With

IC Incoming

ILEC Incumbent Local Exchange Carrier

ISDN Integrated Services Digital Network

IT Information Technology

LATA Local Access Transport Area

LS Loop Start

MF Multi-Frequency

MDF Main Distribution Frame

MR Measured Rate

NCS National Communications System

NS/EP National Security and Emergency Preparedness

NGO Non-Governmental Organization

NLT No Later Than

OEM Original Equipment Manufacturer

OG Outgoing

POC Point of Contact

PRI Primary Rate Interface

PUC Public Utility Commission

PWS Performance Based Work Statement

PSTN Public Switched Telephone Network

RPL Restoration Priority List

SBC Session Border Controller

SIP Session Initiation Protocol

SS Services Summary

TS Telecommunication Services

TSP Telecommunications Services Priority

WS Wink Start