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Keep your existing PBX but enjoy all the cost savings and flexibility of VoIP.

GlobalPhone provides SIP trunking on most PBX equipment, including the manufacturers shown below. Some of these systems have native support for SIP trunking, in which case no additional hardware is required. For PBX systems without SIP support, GlobalPhone can provide a VOIP gateway to convert from SIP VOIP signaling to traditional POTS or T-1 trunks. These gateways vary in size from two port plain old telephone lines (POTs) lines to Quad T-1 PRI systems. For additional descriptions, please visit our Gateways.

Hosted PBX Systems : 3Com
Hosted PBX Systems : 3Com
3Com
Hosted PBX Systems : Allworx
Hosted PBX Systems : Allworx
Allworx
Hosted PBX Systems : Altigen
Hosted PBX Systems : Altigen
Altigen
Hosted PBX Systems : Asterisk
Hosted PBX Systems : Asterisk
Asterisk
Hosted PBX Systems : Cisco
Hosted PBX Systems : Cisco
cisco
Hosted PBX Systems : Digium
Hosted PBX Systems : Digium
Digium
Hosted PBX Systems : Fonality
Hosted PBX Systems : Fonality
Fonality
Hosted PBX Systems : Interactive Intelligence
Hosted PBX Systems : Interactive Intelligence
Interactive Intelligence
Hosted PBX Systems : Mitel
Hosted PBX Systems : Mitel
Mitel
Hosted PBX Systems : NEX
Hosted PBX Systems : NEC
NEC
Hosted PBX Systems : Nortel
Hosted PBX Systems : Nortel
Nortel
Hosted PBX Systems : Objectworld
Hosted PBX Systems : Objectworld
Objectworld
Hosted PBX Systems : Pingtel
Hosted PBX Systems : Pingtel
Pingtel
Hosted PBX Systems : Shoretel
Hosted PBX Systems : Shoretel
Shoretel
Hosted PBX Systems : TriBox
Hosted PBX Systems : TriBox
TrixBox
Hosted PBX Systems : Vertical
Hosted PBX Systems : Vertical
Vertical