Enterprises are constantly deploying IP telephony. Once an enterprise makes the decision to incorporate a VoIP network deployment, a critical issue to consider is the survivability and high availability of external and internal company telephony communication system.
This issue becomes more crucial due to the IP networkâ€™s heavy task and the compatible to legacy PSTN network. When power was lost or internet was disconnected, every IT managers will face a big challenge for the telephone systemâ€™s survivability. Siptang VoIP/PSTN intelligent routing technology answers those challenges.