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Resale - Digital Switched Service (DSS) - V22.0
History Log
Product Description
Qwest's retail telecommunication service, Digital Switched Service (DSS), is available for resale by Competitive Local Exchange Carriers (CLECs) to their end-users. Additional information about resale of Qwest's retail services can be found in Resale - General.
DSS provides digital exchange service between either your end-user's or an Interexchange Carrier (IXC) Point of Presence (POP) Customer Provided Equipment (CPE) or your Collocation space and the Qwest Central Office (CO). DSS includes a DSS facility, common equipment, local exchange switching and flat usage trunks for access to the local exchange and long distance networks. Each DSS facility utilizes 24 voice-grade or data channels that may be configured as either basic or advanced trunks, or a combination of both types of trunks.
In most states, channels of a basic T1 which are not being used for DSS trunks may be used to provide any Exchange Network or Private Line Transport service, except Interstate services and SwitchNet 56¨. Refer to the state specific Tariffs/Catalogs/Price Lists for availability.
The components that make up DSS service are:
* DSS Facility and Common Equipment - This element includes the digital DSS facility, transmitting at a rate of 1.544 megabits per second (Mbps) and the common equipment necessary to interface each of the 24 channels into the CO switch. The DSS facility can be provisioned via fiber optics or off a channel of a Digital Service Level 3 (DS3) service.
The DSS facility may be an Integrated T-1 (IT1).
* Trunks - The channels that ride the facility. They can be either a basic or an advanced trunk, or both.
Basic Trunks - Line side analog trunks are configured in the following manner:
* In-only is a 1-way trunk which only allows traffic from the CO to be transmitted to your end-user's CPE
* Out-only is a 1-way trunk which only allows traffic originating in your end-user's CPE to be transmitted to the CO
* 2-way is a trunk that allows for traffic to be transmitted from either the CO or your end-user's CPE
Advanced Trunks - Trunk side trunks. Direct Inward Dialing (DID¨) is a special trunk arrangement on the advanced trucks that allows incoming calls from the exchange network to reach an end-user station without using any attendant assistance. Advanced trucks are configured in the following manner:
* In-only DID is a In-only trunk with DID features. Requires a DID trunk circuit termination
* Out-only with Answer Supervision is a Out-only trunk with answer supervision feature. This feature passes answer back signaling from the CO to the PBX when a PBX call has either been completed or answered
* 2-way DID with Answer Supervision is a 2-way trunk with DID and answer supervision features. Requires a DID trunk circuit termination
* 2-way Data with DID is a 2-way data trunk with DID at a transmission speed of 56 kilobits per second (Kbps). Requires a DID trunk circuit termination
The following table will assist you in understanding the different trunk options and the type of facility used to complement the trunk types:
DSS Trunk Type DSS Facility Type
Advanced Basic/Combination
Advanced Service 2-way Data X
2-way DID X X
In-only DID X X
Out-only with Answer Supervision X X
Basic Service 2-way X
In-only X
Out-only X
Additional features limited by trunk type, (e.g., Call Transfer, Hunting, etc.), are available.
Availability
DSS is available from analog and digital CO switches throughout Qwest's 14-state local service territory where facilities and operating conditions permit. DMSú-10 and Ericcson switches can generally support basic DSS but must be checked for advanced service capability. Contact your Qwest Service Manager to verify if a particular switch can accommodate advanced service capability.
DSS may terminate at an IXC POP it is limited to data service for Internet access only, terminating on the Internet by an Internet Service Provider (ISP) who is your end-user. Voice Service may not terminate at the IXC POP.
Terms and Conditions
DSS is provided subject to the availability of CO facilities and Qwest will determine the type of facility that it will use for the service. A fiber optic facility may be engineered if you specifically request it.
When converting retail DSS to resale DSS, both facility and the voice trunks must be converted.
The type of signaling required by your end-user's CPE must be provided to Qwest and must be compatible with DSS. If your end-user's Digital Trunk Carrier (DTC) is not registered, then your end-user must provide a Channel Service Unit/Data Service Unit (CSU/DSU).
The DSS Digital Service Level 1 (DS1) signal at your end-user's CPE will be timed from the Central Office Timing Supply or directly from the Qwest CO. All new DS1 signals must be Network Timed.
Qwest can deliver the Caller ID feature to your end-user's network interface via the basic DSS DS1 facility, but your end-user's equipment must be able to translate the information. The CPE vendor can verify your end-user's equipment compatibility with this feature.
DID Digit Manipulation allows the expansion of a number range to include numbers that do not fit the current end-user's CPE (PBX) programmed dialing pattern. Additional information can be found in the state specific Tariffs/Catalogs/Price Lists.
DSS service is available:
* With Foreign Central Offices (FCO) or Foreign Exchange (FX) services
* Intrastate, Intra-Local Access and Transport Area (IntraLATA) only
DSS service is not available for use by Commercial Mobile Radio Carriers (CMRS), Private Mobile Radio Carriers (PMRS), or Interexchange Carriers (IXCs) in the provisioning of services to their end-users. Therefore, the following services are not allowed to traverse a resale DSS DS1 facility:
* Access lines and Private Branch Exchange (PBX) trunks that are not ordered under the DSS umbrella
* CMRS and PMRS
* Caller ID Trunk Side (advanced trunk)
* Feature Groups A, B, C or D
* Hotel/Hospital Semipublic Service
* Identified Outward Dialing (IOD)
* Inside Wire Maintenance Plans
* Joint User Service, in some states
* SwitchNet 56 Service
You must provide Qwest with accurate end-user location information for state regulated emergency reasons. Information regarding 911/Enhanced 911 (E911) is located in Access to Emergency Services (911/E911).
Due to emergency 911 concerns, In-only trunks are the only trunk type available with DSS services that terminate in your collocation space, i.e., outgoing calls to 911 emergency services would appear to originate from the collocation facility, not the end-user premises.
Qwest will accept one white page directory listing for each main telephone number at no charge. Additional information about directory listings is available in White Pages Directory Listings.
Each 1-way outgoing or 2-way trunk in an equal access end office must carry Primary Interexchange Carrier (PIC) and Local Primary Interexchange Carrier (LPIC) information. Information about selecting a long distance carrieris located in the Long Distance Carrier Selection Overview.
Technical Publications
Technical characteristics, including Network Channel and Network Channel Interface (NC/NCITM) codes, are described in Technical Publication 77319.
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Pricing
Rate Structure
DSS is generally billed for on a month-to-month basis or on a fixed period Contract Service Arrangement (CSA). CSAs are available per the state specific Tariffs/Catalogs/Price Lists and may qualify for the resale discount. Contact your Qwest Sales Executive for additional information.
Recurring and a nonrecurring charge may apply for the following rate categories:
* DSS Facility and Common Equipment - A charge will apply per 24 channel facility based on whether the trunk type is a Basic Trunk or and Advanced Trunk, or a combination of both. If the DSS facility is provisioned on a DS3 service, then a nonrecurring charge will apply for the activation of each facility
* Basic/Advanced Trunk - The charge rate will depend on the trunk type (Basic or Advanced) and the configuration type (In-only, In-only with Hunting, In-only with DID, etc.).
* Optional Features - These options are the same options available with PBX service and will carry the same billing structure.
Nonrecurring charges apply when reconfiguring the DSS facility, changing or rearranging each DSS trunk and changing or terminating a rate plan.
Qwest retail rates, rate elements, and how they apply to DSS are located in the state specific Tariffs/Catalogs/Price Lists.
Bulk pricing enables CLECS and Qwest Retail customers to obtain lower rates for DSS service by signing a Variable Term Agreement (VTA). A single bulk rate, for the trunks and facility, is paid for the contracted term. All charges are billed to the facility account and not the trunk account.
To order bulk pricing, contact your Qwest Sales Executive for a contract number and bulk pricing USOC's, this information will need to be entered on your service request. When the contract number is entered in the VTA field on the LSR facility request, it constitutes signing and agreeing to the terms of the contract. A unique contract number must be obtained for each of your end-users, however, multiple facilities and their associated trunks may be on the same contract. Bulk pricing USOCs must be entered in the REMARKS on the RPL form and in the FEATURE field on the RS form.
Additional general resale rate structure information is located in Resale - General.
Rates
Retail rates are located in the state specific Tariffs/Catalogs/Price Lists.
Qwest's retail rates for DSS, less any applicable resale discount, apply to resold DSS. Rates and/or applicable discounts are available in Exhibit A or the specific rate sheet in your Interconnection or Resale Agreement.
Tariffs, Regulations and Policies
Tariffs, regulations and policies applicable to Qwest retail products available for resale, are located in the state specific Tariffs/Catalogs/Price Lists.
Additional rules, regulations and policies in your Interconnection or Resale Agreement, or in the Statement of General Terms and Conditions (SGAT) for the relevant state.
Optional Features
A complete list of standard features, feature descriptions, availability, pricing, and ordering information is available in the Resale - Features matrix. Some features have compatibility restrictions and cannot be used with DID trunks, contact your Qwest Service Manager with compatibility questions.
USOCs and Field IDentifiers (FIDs) are described in the Universal Service Order Codes (USOCs) and Field IDentifiers (FIDs) Overview.
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Features/Benefits
Features Benefits
Customer convenience
* Improves voice and data transmission
* Provides precision timing for call accounting software
Network efficiencies
* Consolidates trunks onto a DS1 interface to allow for expansion with a customer's CPE
* Improves dependability of dial-up data transmissions
* Provides greater trunk efficiency
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Applications
The following key industries find DSS a benefit:
* Health Care/Hospitals
* Businesses
* Government
* Manufacturing
* Education
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Implementation
Product Prerequisites
If you are a new CLEC and are ready to do business with Qwest, view Getting Started as a Facility-Based CLEC or Getting Started for Resellers.
If you are an existing CLEC wishing to amend your Interconnection Agreement or New Customer Questionnaire, additional information is located in the Negotiations Template Agreement.
For CSA arrangements, contact your Qwest Sales Executive to establish a contract and obtain the contract identification number.
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Pre Ordering
General pre-ordering activities are described in the Pre-Ordering Overview.
Requirements for pre-ordering are described in the Local Service Ordering Guidelines (LSOG Pre-Order.
DSS involves a two-step pre-qualification process:
Step one:
Verify the trunk availability in your end-user's CO.
The following chart provides information regarding the types of trunks available in your end-user's CO.
Type of Switch Advanced Trunks Basic Trunks
5ESS Yes Yes
DMS-10 See Note below Yes
DMS-100 Yes Yes
Ericsson See Note below Yes
NOTE: To determine availability of advanced trucks in these switch types, contact your Qwest Service Manager.
Step two:
To verify if a DS1 is available to provision DSS, refer to the Interconnect Mediated Access (IMA) User's Guide; Follow the instructions for a High-Capacity Facility check. In completing the High-Capacity Facility check, use the Class of Service and USOC specific to the product that you are checking facility availability. If the T1 (DS1) is riding a higher facility (DS3), a facility check is not performed.
Or if you use IMA Electronic Data Interchange (EDI), select the release you would like to execute the query in and scroll to the chapter that is titled "Facility Availability Transaction" and follow the instructions.
Qwest strongly suggests that you complete this DS1 pre-ordering process in addition to verifying trunk availability in the CO. By checking trunk availability in the CO and DS1 availability you will be able to determine that the service can be provisioned.
If facilities are not available, you may continue to place your request for DSS however your order may be delayed.
There are at least two Customer Service Record (CSR) for each DSS service configuration, the DS1 facility CSR, and one or more trunk CSRs for the services riding the DS1. When converting these products, both the facility and the trunks are to be converted and you must review both the facility and the trunk CSRs. Based on the type of request, subsequent changes may also require the review of both CSRs.
The trunk CSR has a standard telephone number as the account telephone number and is available in IMA via the standard pre-order CSR request function. The facility CSR has a private line account number, also known as a Mechanized Account Number (MAN) or Special Billing Number (SBN). If you know this account number you can also obtain the facility CSR via IMA.
If you don't have the account number, you may find it cross-referenced on the trunk CSR. The cross-reference may appear:
* Following the Customer Other Service (COS) FID in the Bill Section; e.g., COS 206-T31-1234.
* Following the Description (DES) FID or Works With (WW) FIDs after the trunk USOC; e.g., TD21X/TN 206-224-2222/WW 206-T31-1234.
If the facility account number is not referenced on the trunk CSR, locate the Common Language Facility Identification (CLFITM). The CLFI appears on the trunk after each trunk USOC, following the Connecting Facility Assignment (CFA) FID, and identifies the name of the facility the trunk rides, as well as the channel it occupies; e.g., CFA 101 T1ZF 23 Common Language Location Identifier (CLLIú) CLLI CLLI. Qwest can use the CLFI to obtain the facility account number for you.
If you are unable to locate the facility CSR, call the Qwest Interconnect Service Center (ISC) and select the Centrex and Complex Resale option to reach the appropriate workgroup.
When contacting the Qwest ISC, be prepared to provide:
* End-user name
* Trunk account number
* CFA or CLFI information
* Proof of agency authorization
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You need the info from the trunk CSR to get this fixed.
