Yeastar MyPBX Enterprise M2 is a hybrid IP-PBX, which is designed for mid-sized companies and divisions of large organizations. Besides working with VoIP-SIP and IAX, the device works effectively with connection to analog phone lines like traditional telephony.
Hosted telephony supplier FLR Spectron specialise in business VOIP (voice over IP - voice over internet protocol) and SIP (session initiation protocol) using the new BT Hosted solution. Tel 0845 899 9900