Dedicated Long Distance:
Dedicated Long Distance refers to the access of a long distance provider through a dedicated circuit. By installing a dedicated long distance T1/DS1, customers have the ability to dial long distance calls directly into the provider’s network and avoid local line charges through their RBOC or LEC (local telephone company, i.e.: Qwest, SBC, and BellSouth).
Dedicated Long Distance circuits are comprised of two separate components: the local loop and the long distance rate charges.
The local loop is the actual connectivity from the customer’s physical location to their Long Distance provider’s POP (Point of Presence). This loop can be ordered through their long distancer provider or it can be a customer provided loop ordered through the customer’s RBOC or LEC. Long distance service, or 1+ access, is utilized to dial IntraLATA, IntraState, and InterState calls.
Switched Long Distance:
Switched Long Distance refers to the access of a long distance provider through a non-dedicated access medium, such as a RBOC or LEC (local telephone company, i.e.: Qwest, SBC, and BellSouth) provided business line. In adding a PIC and/or LPIC (Carrier code) to the local line customers have the ability to dial long distance calls. Long distance service, or 1+ access, is utilized to dial IntraLATA, IntraState, and InterState calls.
Local Voice T1s:
Local Voice T1s provide local calling area access with up to 24 channels of utilization per T1 (DS1). These T1s are primarily provided by the RBOCs or LECs like Qwest, SBC, and BellSouth, but can also be provided by CLECs like PaeTec, WorldCom, and ACC Business in certain regions.
Local Voice T1s are usually provisioned as digital switched or PRI (ISDN) circuits but in some cases, can be provided as a VOIP solution as in the WorldCom Business Solution product. Digital switched T1s offer customers up to (24) usable channels where PRI T1s generally are configured as 23B+D and allow (23) usable channels with a separate D channel for transmitting data like Caller ID information.
Both of these T1s can be configured to allow traffic overflow, DID/DOD (direct inward dial/direct outward dial) numbers, and customized RTI/TGP (route index/trunk group) configurations.
Depending on the region and providers available, the Local Voice T1s can be provisioned as fully integrated circuits, carrying local voice, switched or dedicated long distance voice, and fractional Dedicated Internet Access.
Flat Business Line (1FB):
Flat business line (1FB) is plain old telephone service (POTS) providing dial tone and access to nationwide and international carriers. The difference between centrex and a flat business line is that the custom calling feature package is an additional charge and has limited features.
Qwest’s retail telecommunication service, Centrex 21, is available for resale by Competitive Local Exchange Carriers (CLECs) to their end-users.
Centrex 21 is a flat rate, business service for customers with 2 to 50 station lines per location. It consists of standard features that are available to all station lines in the shared customer group where available. A Centrex 21 end-user has a choice of having the features delivered via analog lines and/or 2B+S, (digital, voice only) Integrated Services Digital Network (ISDN) lines.
Centrex 21 can be integrated into existing telephone lines, either voice or data, utilizing a choice of different standard and optional features, maximizing productivity. However, the end-users pay for the feature packages regardless of full or partial activation of the features.
Standard Packages, Rate Stability Plans and Optional Features may vary from state to state.Touchtone features are inherent with Centrex 21 and are automatically programmed within the station line.
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