Syncing

Phone Service

Indexing

API

Incoming Calls

Sending

Querying

Outgoing Calls

Public Website

Search

Dialer

Call recording (primary)

Email

Phone

SMS (primary)

Support Center

Telephony provider connectivity (primary)

Downstream telephony carriers (primary)

Outgoing Calls - Infrastructure (Twilio REST API)

Outgoing Calls - Infrastructure (Twilio TwiML)

Call Recording (secondary)

Downstream telephony carriers (secondary)

SIP & SIP Registrar (secondary)

Application UI

Outgoing Calls - Infrastructure (Twilio conference calling API)