PRI & SIP Trunking


Our Service, Our Support, Your PBX


Service you can rely on, delivered to the hardware you already know


You already paid for your phones, don't overpay for good phone service


We match your system settings and when you're ready to change, so are we

PRI Service

Starting at $16 per line

Technical Details:

Minimum 10 b channels
N12, 5E and Custom ISDN Types
Types ESF/B8Zs or D4/AMI
On-premise phone systems required

What it means:

10 lines minimum
Typical PRI settings supported
Or you could get Hosted Voice

SIP Trunks

Starting at $12 per path

Technical Details:

Minimum 5 call paths
T.38/fax compatible
Caller ID Name included
RFC 3261 SIP Compliant

What it means:

5 lines minimum
Standard SIP settings supported
Quick and easy implementation

Finding quality business phone service is all about finding a team of responsive, honest and technically capable people to support you. Contact us to find out more about SYSTEMSEVEN.

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