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E7120 - VoIP Phone

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Support protocol
Sip v1(RFC2543), v2(RFC3261)
IP/TCP/UDP/RTP/RTCP, IP/ICMP/ARP/RARP/SNTP
TFTP Client/DHCP Client/PPPoE Client, Telnet/HTT
Server, DNS Client
Call Waiting
3-Way Conference
Call Transfer : 3 kinds of transfer application as follows:
 
Normal Transfer: A call B then transfer to C
2 Way Transfer: A call B then transfer to C, when C is busy or C rejects transfering then B can get the call back to A
Blind Transfer: A call B then transfer to C and do not care about C's situation
Speaker and Handset volume control
Call Hold
Caller ID
Incoming and outgoing calls reviewable
Last Number Redial
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