DS1 Voice Prices Compared in Real-Time!

DS1 Voice

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DS1 Voice Definition Continued.

Larger companies, however, instead use DS1 or larger (bonded DS1, fractional DS3, or full DS30) to purchase their voice lines in quantity. This often results in significant cost savings. If a small company only needs 3 or 4 phones, and has no internet connection or data networking needs, then buying lines from the local phone company is often the best option. If however, a company needs 4 or more phone lines and a stable internet connection as well, then obtaining a DS1 line will often provide the best option. A DS1 circuit provides phone and internet lines in quantities that will often provide cost savings over purchasing phone lines and internet connection separately. For companies which do not need 24 lines of either phone or internet service, an integrated DS1 line is also a very cost effective option. With integrated DS1, channels can be configured in any combination of voice or internet to provide both types of service over one DS1 line. DS1 voice can be provided as either local or long distance circuits. With local voice DS1, long distance service is included at retail per minute price rates. With long distance voice DS1, however, the local exchange carrier is bypassed. The disadvantage of a long distance DS1 is that because the local exchange carrier (LEC) is bypassed, free local calls cannot be made over a long distance DS1. The advantage of a long distance voice DS1 is that because the local exchange provider is bypassed, they cannot charge their usual connection charges. This results in significant savings on long distance calls, sometimes as low as 1.2 cents per minute. Due to the monthly reoccurring charges that come with long distance DS1 voice lines, they do not provide savings unless the customer averages about $800. or more in retail long distance usage. For all long distance users who pay $800. or more monthly for long distance charges, long distance DS1 provides profound savings. (Click here to return to top of page)

For details on any T1 related service, click on the service listed below.

Is PRI the Right Choice for Your Company?

Written by: Dennis Green - Aug 27, 2008

PRI (Primary Rate Interface) is an ISDN connection designed to be provided over T1 lines. In the United States, a PRI line consists of 24 (64 kbps each) DS0 channels. PRI T1 lines are commonly configured so that 23 channels serve as B (Bearer) channels and one as a D (delta) channel. Each B channel serves as a voice (telephone) channel. The D channel provides control and signaling information for the B channels. B channels can be used as independent channels to simultaneously provide a variety of services such as internet, voice, or imaging. They also have the flexibility to be bonded, as needed, to provide higher bandwidth for special needs such as video conferencing. A significant difference between PRI T1 and traditional integrated T1 is that T1s which are not PRI require a portion of each channel to be allocated for signaling functions. This results in a reduction in effectiveness, efficiency, potential and bandwidth for most functions of each channel of non-PRI T1. With T1 PRI, all signaling functions are provided by the 24th channel. This leaves each of the other 23 channels with a full 64 kbps, which can be fully dedicated to bearer functions. One D channel can provide signaling functions for several other PRI lines. It is not uncommon for two D channels (one as primary, one for backup) to provide the signaling functions for a span of as many as 20 PRI T1 lines. This frees the 24th channel of each of the other PRI lines so that they can be used as additional bearer channels. Because PRI lines serve as a direct connection to the telephone company’s central office, PRI is often the preferred choice of PBX customers. PRI T1 provides many advantages over traditional voice T1. These include: call by call service selection, more PBX users can be supported, caller ID, DID (direct inward dial) numbers, messaging, and video conferencing. Because of increased efficiency provided by PRI, companies which switch to PRI from traditional voice T1 often find that they not only receive a much greater variety of services but often do not need to pay for as many trunks as they needed prior to the change. PRI T1 is available in most major metropolitan areas, but is not available in most isolated rural areas. To assess availability and pricing for your location, use the tool at the top of this page or on our home page. This tool will provide real-time answers, it’s free, easy to use, and there is no obligation. (Click here to return to top of page)