Telephony | Talkif Docs

A flow needs a line to live on. Talkif gives you three ways to get one, and they can be mixed freely in one account — a purchased US number for the support line, your existing SIP trunk for the numbers customers already know, and a WhatsApp Business number for the customers who’d rather not dial.

Way	What you get	Outbound	Talkif telephony charge
Buy a number	A new local number in a supported country, provisioned in seconds	yes	per minute + monthly rental
Bring your own SIP trunk	Your carrier’s numbers, routed through Talkif over SIP	yes	per minute (lower rate); your carrier bills the PSTN leg
Your own Twilio account	Numbers you already hold in Twilio, used as-is	yes	per minute; Twilio bills you for the number
WhatsApp Business Calling	Inbound calls to your WhatsApp Business number	no — receive only	none; Meta bills the calling

Whatever the source, a number in Talkif has the same lifecycle: it’s connected to one published flow for inbound calls, it can be used as the from number for outbound calls if it has the voice capability, and it carries its own recording override.

Buy a number

Countries, search, pricing, renewal, and what happens when rental can’t be paid.

Bring your own SIP trunk

The SIP address to allowlist, the credentials, and the inbound and outbound paths — plus connecting your own Twilio account.

WhatsApp Business Calling

Connect a WABA, register numbers, and why a number stays Pending.

Inbound and outbound routing

Connecting flows, pinning versions, from-number rules, statuses and capabilities.

Regions and edges

Where calls are served from, and how the edge is chosen for your carrier.