openast India
- VoIP Billing Software Provider
- Billing Software
- Installation and Support Services
- PC to Phone
- Web Call
- Blue Lava Prorietary 2 & 4 Port Analog VoIP Gateways
- Custom Open Source Billing Solution
This is a device allowing a user to make VoIP calls using session initiation protocol (SIP). SIP is a telecommunication technology developed as a fast, easy standard for delivering IP-based data, voice, and video communications.
AccessDirect VoIP PBX
AccessDirect provides hosted PBX phone service with professional voicemail facility for small and medium businesses.
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