... , can be achieved with many other SIP compliant devices and software interoperability. In addition, it supports including G.723.1, PCMA ... G.729AB voice codec. Suitable for carrier and enterprise VoIP call center agents.DAG 2000(32FXS)can be with the mainstream SIP ... 32FXS) supports SIP 1.0/2.0.Main featuresSupport Call forwarding, Call waiting, Call display etc standard voice service and Busy tone, Fax ...