ISDN PRI - Voice over ISDN Rates for PBX Phone Systems

June 1, 2023
1:10 PM

Prices Reduced on T1 telephone lines and ISDN PRI serivce for PBX, IP PBX and Key Telephone Systems. Call (888) 848-8749

- Latest Updates & Information -

T1 PRI For PBX Telephony
A T1 PRI, also called an ISDN PRI, is a "Primary Rate Interface" providing 23 individual digitized telephone lines plus data such as Caller ID on a single digital telephone trunk line. A PRI line is usually much less expensive than a dozen or more analog business phone lines.

Channelized and Unchannelized T1 Lines
A T1 line may be configured as a single large pipe offering 1.5 Mbps data transport or as 24 individual channels of 64 Kbps each, ideal for use as individual outside telephone lines to support Key or PBX business telephone systems.

Channelized T1 vs ISDN PRI
T1 lines can support two protocols of switched circuit telephony. Channelized T1 lines offer 24 phone lines using in-band signaling. ISDN PRI, or Primary Rate Interface, offers 23 phone lines and common channel signaling that can include data such as ANI Automatic Number Identification or Caller ID.

T1 Digital Cross Connect Systems
A digital cross connect system, often abbreviated DCS or DCAS, allows you to switch traffic among your T1 lines. It will even reach into the line to connect individual channels or timeslots rather than the entire circuit. A manual device that cross connects T1 lines is called a DCX or patch panel.

Advantages of Managed IP Services
Managed IP is a WAN or Wide Area Network service that is provided and managed by a competitive carrier that owns and operates its own IP network. A managed IP provider ensures that you have the bandwidth and connectivity you need, without having to manage the WAN yourself.

T1 ISDN PRI Telephone Lines
Find the best voice over ISDN rates using T1 voice PRI lines as digital telephone trunk line service for your PBX phone system. SIP transport for VoIP phones and IP PBX systems also available, as well as Managed SDN Software Defined Networking and SD-WAN, as desired. Find out in seconds what network services and pricing are available now for your commercial business building anywhere in the U.S. Simply use this handy form...

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T1 ISDN PRI Voice Lines Also Available for These Locations:

U.S. States: Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming.