SIP Trunk Interconnection Guide
DIDForSale SIP Trunks are compatible with most SIP based PBX, Business Phone Systems and Devices.
Here is the list of the most popular SIP PBX systems that have been tested and work very well with our SIP Trunk Gateway.
PS: The list of Phone System PBX is in alphabetical order.
3cx
Allworx
Asterisk
Cisco UCM
FreePBX
Freeswitch
FusionPBX
Go Autodial
GrandStream
HoduSoft PBX System
Microsoft Skype for Business
NEC Corporation
PBXinaFlash
Polycom OBI300
Shoretel
Vital PBX
Yealink Phones
Zycoo
Something you should know about SIP Trunk Pricing
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