MCI Colombia
- Internet VoIP and Video Conferencing Service Provider
- Call Routing VoIP Solutions
- Cisco Systems
- Inter-Call.com Billing
Some telephones, depending on the brand and model, have the intercom function, which allows to begin communication by sending the signal. When the signal comes, the telephone set rings a signal different from the standard ring tone call. After that the telephone temporarily switches off from the telephone line and works as an intercom.
ActiveServe Inc.
Branded Multi-Tenant, 3CX, Asterisk, Elastix, Trixbox, Hosting. CAT-5 Data Center, Active NAT Assistance™, Fully Managed Cisco Network, Cloud Platform. No hardware or software to purchase or maintain. 24/7/365 Support.
Read moreTop countries:
United States 1294
India 440
United Kingdom 425
Canada 348
Bangladesh 338
China 142
Pakistan 134
Australia 133
Spain 123
Russia 114View all countries