Glossary

Telecom and transport terms, explained

Short, plain definitions of the words you will see on this site and in the app.

Auto-attendant (IVR): An automated menu that answers calls and routes callers, for example "Press 1 for bookings". On the GT Connect roadmap.
Blind transfer: Passing a call to a colleague without speaking to them first. In beta in GT Connect.
Call park: Putting a call on hold in a shared slot so anyone can pick it up from another device. Coming soon.
Call queue: A line where callers wait for the next free agent. On the roadmap.
DLT registration: The registration system for business SMS senders and templates in India. Needed before sending commercial SMS.
DTLS-SRTP: The encryption used by WebRTC calls. DTLS sets up the keys; SRTP encrypts the audio and video.
Extension: A short internal number or name that identifies a person on the company phone system.
LR (lorry receipt): The consignment note issued by a transporter when goods are booked, used to track the shipment.
Number masking: Letting a driver and a customer talk without either seeing the other's real number. On the roadmap.
POD (proof of delivery): A signed document or photo confirming that goods were delivered.
Presence: A live indicator showing whether someone is available, on a call, away or not to be disturbed.
PSTN: The public switched telephone network: ordinary mobile and landline numbers.
PWA (progressive web app): A website that can be installed and opened like an app on phones and computers.
Push-to-talk: Walkie-talkie style voice messages to a group, sent by holding a button. Coming soon.
Ring group: A set of people whose phones all ring for one incoming call. Coming soon.
SIP trunk: A connection from a phone system to a telecom provider that carries calls to and from real numbers.
TMS: Transport management system: software for bookings, trips, vehicles and billing.
TURN relay: A server that forwards encrypted call traffic when a direct connection between devices is blocked.
Warm transfer: Speaking to a colleague first, then passing the call to them. Coming soon.
WebRTC: The real-time communication technology built into modern browsers, used by GT Connect for calls.

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