Class 5 Softswitch – Fully Scalable and Reliable Cloud Communication Softswitch for VoIP Business   TeleTalk Class 5 Softswitch is a scalable and customizable carrier grade Softswitch ( Turnkey ) solution with integrated VoIP Billing System. If you are looking for cloud communication VoIP Solution for Internet Telephony Service Providers ( ITSP) or SIP Trunking … Continue reading Softswitch