... with any codec (G.711u/aLaw, G.723.1,G.729,GSM,iLBC,T.38)Ideal PSTN termination for IP phones, VoIP gateway ... , IPPBX, PBX accessEmbeded with RTP voice proxy, Digits ... PSTN trunking gateway for IP phones, PC phones and PBX bridge to VoIP services. ... , T.38 Fax Relay· BillingRadius Interface· Gateway ConfigurationWeb Based User Interface, Text Based Configuration ...