Metrix Solutions Inc United States
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Internet VoIP and Video Conferencing Service Provider
- VoIP Billing Software Provider
- Voip Termination ISP
- Billing Software
- Call Relay VoIP Solutions
- E1 Bulk Wholeseller
- H.323 Softswitch & CPE
- H.323 VoIP Gateway
- H.323 Wireless/ GSM VoIP Solutions
- PC to Phone
- Phone To PC
- Phone To Phone
- SIP Softswitch & CPE
- SIP VoIP Gateway
- Termination
- Cisco Systems
- Mera
- Quintum
- Oracle Based own system
- PortaSIP
- Telco Solutions Billing System
Anonymous call rejection – this is a function that blocks the incoming calls of subscribers with indefinite telephone number.
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