AT&T Conferencing – Audio Reservationless


ATT Global Audio Conferencing will allow a single participant to connect to a conference bridge via direct dial or a toll-free number within the domestic United States. This service may also be used when the caller requests the conferencing platform dial-out to a number they specify within the domestic US.

AT&T Global Audio Conferencing is a network-based audio conferencing solution providing enhanced features, optimized call flows, strengthened reliability, availability and integration with Web-based collaboration applications. Customers have the flexibility of utilizing conferencing capabilities (using both PSTN and IP networks) to maximize their communications investment. AT&T Audio Conferencing may be used as a standalone service or integrated with other AT&T web-meeting services such as AT&T Conferencing with Zoom.

AT&T Reservationless Service adds value to your conferencing capabilities by providing a wide array of hosting commands on a call-by-call basis. The following conferencing options are available:

  • Toll-free dial in Reservationless access
  • Caller paid dial in Reservationless access
  • Host Dial-Out (click to call me)
  • IP to IP Reservationless access (using AT&T IP Flexible Reach Service)


Audio Conferencing

DetailMonthly Recurring ChargeNon-Recurring Charge
IP to IP Access / IP to IP Direct Dial/Reservationless per minute$0.0166$0.00
Reservationless Automated Dial In (RADI) / United States / USA / Caller Paid per minute$0.0185$0.00
Reservationless Automated Dial In (RADI) / United States / USA / Toll Free per minute$0.0185$0.00
Dial-Out (Call Me) / United States / USA / Dial-Out per minute$0.0185$0.00

Regulatory Fees

  • Regulatory fees are applied to audio conferencing usage. Fees include:
    • Universal Connectivity Charge – UCC (19.6%)
    • Administrative Expense Fee – AEF (1.36%) – (Note: Some entities may be exempt)
    • Property Tax Allotment – PTA (5.30%) – (Note: Some entities may be exempt)
    • Federal Access Recovery Fee – FRF (6.38%)
  • Federal and State Taxes may apply based on Tax exemption status
  • Fees are subject to change based on FCC Filings

AT&T Service Guide Link for Additional Product Information