PBX phone systems often support PRI or Primary Rate Interface, T1 lines, Analog Lines or if you have a more modern PBX it may support SIP (Session Initiated Protocol). What are differences between these dedicated line services and how do you choose the right one for your application?
What Do I Need? What Does It Cost?
We strongly suggest letting a member of our technical team contact you to discuss your particular needs. That way you’ll be assured of getting the best service at the lowest cost. There are many flavors of high speed voice and data, including fractional and integrated T1 lines. Our experts can discuss the tradeoffs with you at your convenience.
Please be so kind as to tell us where you want the service located, and provide some basic contact information on the form below. Select the type of service you are most interested in. Most of the time you’ll get an instant automated quote that will give you a very good idea of what this type of service costs in your area.
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T1-Standard
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ISDN-PRI
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Voice Calls Simultaneous
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24
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23
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PRI uses 1ea channel for a control channel
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Channeled
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Yes
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Yes
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Dynamic Usage
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No
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Yes
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PRI has scaleable hunt groups
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Caller ID (Name and Number)
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Yes
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No
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PRI has no name is sent
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ANI-Automatic Number Identification
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Yes
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Yes
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Number Only
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Conference on Channel (Flash)
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Yes
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No
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PRI must use Trunk to Trunk
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Integrated Data (Internet)
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Yes
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Yes
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DATA channels minus the number of voice channels assigned
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Number of Phone numbers
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24 max
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Unlimited
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PRI numbers are sold in groups of 20
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DID Direct Inbound Dialing
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NO
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YES
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PRI offer direct ring to station via 10 digit number
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Phone system Configuration
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Key or PBX
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PBX
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PRI must be assigned to group keys on sets
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