Allows users tracking the condition of the other telephone or the subscriber, for example, there will appear a signal on the screen of the telephone device informing that the subscriber is on the line and is temporarily unavailable.
3CX, Asterisk, Elastix, and Trixbox PBX Hosting. CAT-5 Data Center, Active NAT Assistanceā¢, Fully Managed Cisco Network, Cloud Platform. No hardware or software to purchase or maintain. 24/7/365 Support.