Voice Calls Solutions (VCS) is a privately held facilities-based Voice over IP carrier.
Voice Calls Solutions (VCS) was founded in 2003 with the focus on building a reliable VoIP network, capable of providing wholesale services to high volume customers. Today, Voice Calls Solutions (VCS) has completed 160 million calls over its long haul, self-healing SONET (Synchronous Optical Network).
Opto Network Private Limited is an Internet Telephony Service Provider in India. Head office is in Noida, India, Band having branches in Bangalore and Mumbai.
Read more