Brandon Boards

Supports dtmf tone detection and generation. Supports voice activity detection (vad) and silence suppression. Supports comfort noise gneeration (cng). Supports acller id generation and detecting (fsk and dtmf). 38 fax really including v. Voice protocols session initiation protocol (sip v2).Ringer equivalence number (ren) 5 ren per rj-11 port. Linksys voip broadband router 2 phone ports routers & adapters. Fxs port impdeance 600 ohm resistive or 270 ohm 750ohm/150nf complex impedance. Ring voltaeg 40 50 vrms.