Telephony and SIP
Meeting rooms with installed video conferencing equipment and participants without internet access join the same meeting. No need to replace terminals or retrain people: the room joins over SIP, and a participant on the road dials a number.

What’s included
- Dial-in on a local number in five countries with a meeting ID and PIN
- Inviting a participant by call directly from the meeting interface
- Keypad commands from the phone: mute and unmute, raise a hand
- Polycom, Cisco, Yealink and compatible SIP terminals, with PBX registration and an allowlist of addresses
- Connecting H.323 equipment through a gateway
- Minute tracking by destination and usage on the administrator dashboard
Business and Enterprise: telephony minute packages by destination. Enterprise includes SIP terminal connections. Compare plans
Frequently asked questions
Will our meeting room equipment work?
SIP-capable terminals connect directly, H.323 equipment through a gateway. We check compatibility with your model before you buy.
How are telephony minutes counted?
Inbound and outbound call minutes are deducted from the package for each destination. The administrator sees usage and the remaining balance in the plan section.
Other features
Run your first meeting today
An organization is created on your first sign-in with A3.ID. The Free plan gives up to 10 users and 25 participants per meeting, and the setup wizard prepares policies for your industry.