... .WX IP PBX Advantages Two telco analog ports to phone/fax machine or PSTNSIP trunk connection to IMS and NGNBuilt-in ... rejection, do not disturb, CRBT, call waiting, forking, call forwarding, distinctive ringpatternsCall pickup call pickup, direct call pick-up, group call ... .711uLaw, G.711aLaw, G.729A codecs; Echo cancellationFax: T.38 fax relay, G.711 pass-throughInterface typeLAN: 2 x 10/100M ...