Call Toll Free

(877) 708-8900

ISDN PRI T1 Line Service

What is ISDN PRI? Integrated Service Digital Network Primary Rate Interface (ISDN PRI) is a telecommunications protocol that enables voice and data simultaneously over traditional phone lines and IP/PBX phone systems. ISDN PRI lines provide many benefits including cost-savings, 100% digital clarity and features such as caller ID which not found with traditional phone lines. ISDN PRI service is ideal for small and mid-sized businesses with eight employees or greater. Speak with an ISDN PRI line specialist to check ISDN PRI service availability, PRI line pricing and get expert PRI advice.

ISDN PRI lines are based on the PRI T1 line in the US and the PRI E1 line in Europe and Asia. An ISDN PRI T1 line is capable of providing 24 total channels including 23 B-Channels (Bearer) and 1 D-channel (Data). The D-channel is a data channel associated with caller ID information transmission. An ISDN PRI T1 provides transmission speeds of 1.54 Mbps or 64 Kbps per channel. In Europe, the ISDN PRI E1 is capable of providing 32 total channels including access to 30 B-channels and 2 D-channels. ISDN PRI E1 provides transmission speeds of 2.05 Mbps. Get a quote on a PRI T1 line or PRI E1 today by contacting a GCG ISDN PRI representative.

Can ISDN PRI lines be provisioned to increase bandwidth? There are additional bandwidth options available with ISDN PRI T1 and PRI E1 services. An ISDN PRI T1 line can be bonded through paring allowing for access to 46 B-channels and 2 D-channels. This allows for up to 46 simultaneous calls or a combination of voice and data usage.

Find out more about ISDN PRI lines, ISDN PRI T1 and ISDN PRI E1 by contacting a GCG sales representative. At GCG, we have one of the largest selections of ISDN PRI service providers available worldwide.  Compare pricing on ISDN PRI lines today from ISDN PRI providers AT&T, Qwest, Global Crossing, Sprint and more.

Find and Compare

ISDN PRI Line Services

Receive ISDN PRI Price Quotes From Leading Telecom Carriers and Start Saving.

Name *

Email Address *

Phone Number *

Company Name

Service Type *

Additional Comments

  • Privacy Policy
  • Our Business Partners

    Met Tel
    Darkstrand
    Masergy
    Nortel Networks
    Copper Conferencing
    Savvis
    Speakeasy
    ViaWest Data Center
    Latisys
    CenturyLink
    Telepacific Communications
    TW Telecom
    Megapath
    New Edge Networks
    Polycom
    Powernet Global
    NEC
    Avaya
    Internap
    NTT Communications
    kddi
    Level 3
    Net Wolves
    Intercall Conferencing
    TMC Communications
    Qwest
    Bullseye Telecom
    XO Communications
    AT&T
    CDNetworks
    Primus Telecom
    CBeyond
    Equinix
    TNCI
    AboveNet
    Aire Spring
    Sprint
    ACC Business
    Paetec
    Info Highway Communications
    Covad
    UCN
    Global Crossing
    Toshiba
    Shoretel
    Integra Telecom
    Verizon
    View All

    Copyright 2002-2009 Global Communications Group, Inc. All rights reserved. Terms of Service | Privacy Policy | Site Map