FINVOIP Ltd United Kingdom
- Hosted VoIP billing service provider
- Incumbent PTT
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Network Service Provider
- VoIP Billing Software Provider
- Voip Termination ISP
- Billing Software
- Call Relay VoIP Solutions
- Call Routing VoIP Solutions
- E1 Bulk Wholeseller
- PC to Phone
- Phone To PC
- Phone To Phone
- Project Mangement Services
- SIP Softswitch & CPE
- SIP VoIP Gateway
- System Integration
- Termination
- Web Call
- Web To Phone
- Cisco Systems
- Mera
- Quintum
- Custom Open Source Billing Solution
- PortaSIP
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.
MacroMarketing Solutions inc
Macromarketing Solutions Technology provides end-to-end solutions that enhance organizational processes and extend the power to harness the market for your Business. We optimize real-world functions with innovative use of Technology and User-centric Desig
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