... and/or FXO lines, suitable for carrier and medium enterprise VoIP deployment.AG2196 bridges legacy telecom terminal equipments, such as ... at network side connecting with PSTN switch, AG2196 can be use to bring remote VoIP user into PSTN network. For IP ... IPPBX from worldwide vendors, including IP-PBX from Microsoft (OCS), Cisco (CallManager), Nortel (CS1000), and softswitch from Huawei, ZTE, Ericson, ...