DIDHub tutorials
Technical, copy-pasteable how-tos for connecting DIDHub phone numbers to AI voice agents, PBXs, MS Teams, and SIP trunks. Every guide includes config blocks, dashboard screenshots, and a real-world test plan.
Most popular
How to route a UK toll-free number to MS Teams in 5 minutes
0800 / 0808 inbound to Teams Direct Routing. Covers SBC trunk binding, dial plan, and number assignment.
How to set up two-way voice for your ElevenLabs AI agent
Inbound + outbound PSTN for an ElevenLabs ConvAI agent using DIDHub SIP trunk and Twilio-style BYOC.
How to connect a Vapi BYOC SIP trunk to a real phone number
Step-by-step: register a DIDHub SIP trunk in Vapi, attach a DID, test inbound + outbound.
How to bind a phone number to your Retell AI agent (inbound)
Retell BYOC: trunk creation, SIP credentials, agent binding, inbound test call.
How to add a DIDHub SIP trunk in FreePBX (pjsip)
Endpoint, AOR, identify, registration, inbound and outbound routes for FreePBX 16/17.
How to set up a SIP trunk in 3CX with DIDHub
Generic 3CX SIP template, registration credentials, DID inbound rules.
All tutorials
How to route a UK toll-free number to MS Teams in 5 minutes
0800 / 0808 inbound to Teams Direct Routing. Covers SBC trunk binding, dial plan, and number assignment.
How to set up two-way voice for your ElevenLabs AI agent
Inbound + outbound PSTN for an ElevenLabs ConvAI agent using DIDHub SIP trunk and Twilio-style BYOC.
How to connect a Vapi BYOC SIP trunk to a real phone number
Step-by-step: register a DIDHub SIP trunk in Vapi, attach a DID, test inbound + outbound.
How to bind a phone number to your Retell AI agent (inbound)
Retell BYOC: trunk creation, SIP credentials, agent binding, inbound test call.
How to add a DIDHub SIP trunk in FreePBX (pjsip)
Endpoint, AOR, identify, registration, inbound and outbound routes for FreePBX 16/17.
How to set up a SIP trunk in 3CX with DIDHub
Generic 3CX SIP template, registration credentials, DID inbound rules.
How to register an Asterisk pjsip trunk to DIDHub
pjsip.conf endpoint + auth + registration with copy-pasteable config.
How to use DIDHub as a Kamailio dispatcher upstream
dispatcher.list, dispatcher module config, and outbound routing to DIDHub primary/backup PoPs.
How to use DIDHub as an OpenSIPS dispatcher upstream
OpenSIPS 3.x dispatcher + uac_auth, route logic, and active probing for DIDHub PoPs.
How to port a US toll-free number to DIDHub
RespOrg change, LOA fields, FCC rules, expected timeline (3-7 business days).
How to set up SIP failover across DIDHub PoPs
Primary/secondary trunks, DNS SRV, qualify intervals, and outbound routing for high-availability VoIP.
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