Entry Level Ip Phone (2 Sip) 4 Dss

Entry Level Ip Phone (2 Sip) 4 Dss Support 2.0 (rfc3261) And Correlative Rfcs Support Iax2 Support 2 Sip Lines Codec:g.711a/u G.723.1 High/low G.729 A/b G.722.1 G.726 Support Hd Voice Soft Keys Programmable Hard Function Key Reprogrammable Sip Application:support Call Forward/transfer(blind/attended)/holding/waiting/3 Way Talking/conference/pickup/join Call/redial And Unredial/ Click To Dial/secondary Dialing Automatically Support Srtp Support Blf Two 10/100 Baset Ethernet Interface 128*48 Fstn Graphic Lcd Support Multiline Support Iax2 Line Key Support Open Vpn And L2tp 4 Dss Keys Poe(optional) Tr069(optional) Brand: Cortelco