VOPTECH






















Name: IP20 HD Middle-Level IP Phone

Model: IP 20


Details:
 ● Support SIP 2.0 (RFC3261) and IAX2 and correlative RFCs
● 4 SIP lines + 1 IAX2 line
● Redundancy sip server capable
● Hotline
● Call Forward、Call transfer、Call hold、Call waiting
● 3-way Talking、Pickup、Join call、Redial、Unredial
● Call Park、vport、click to dial
● DND(Do Not Disturb)
● Black List,Limit List
● E.164 dial plan and customized dial rules