SIP Trunk Interconnection Guide

DIDForSale SIP Trunks are compatible with most SIP based PBX, Business Phone Systems and Devices.

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

Yealink Phones

Zycoo

Something you should know about SIP Trunk Pricing

Unlike many platform providers, DIDForSale does not charge for calls sent to SIP Trunks and is one of the very few providers who offer unlimited minutes of SIP Trunks. If you have not done so, check out SIP Trunk Pricing

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