Configuring SIP Trunks

This guide is only applicable for the PortSIP PBX v22 or higher.

SIP trunking is used for call setup, management, and teardown. It’s flexible, reliable, and quite lightweight. This means you can focus on your business instead of the technicalities. SIP is the basis for VoIP communications, and SIP Trunking is used to provide VoIP connectivity through a PBX.

PortSIP PBX supports a wide range of mainstream SIP trunk providers worldwide. This includes, but is not limited to, the following:

• Vonage

• QuestBlue

• VoIP.ms

• Voxtelesys

• Flowroute

• Skyetel

• Wavix

• Bandwidth

• Twilio

• Telnyx

• Callcentric

• Telstra

• Keen systems

• Gamma

In this article, we provide the detailed guides for configuring the below trunks:

• Configuring Quest Blue SIP Trunk

• Configuring Twilio SIP Trunk

• Configuring Telnyx SIP T runk

• Configuring Vonage SIP Trunk

• Configuring VoIP.ms SIP Trunk

• Configuring Voxtelesys SIP Trunk

• Configuring Wavix SIP Trunk

• Configuring Gamma SIP Trunk