| 硬件 |
| Port |
LAN 1 x 100BASE-TX RJ45 for LAN PC 1 x 100BASE-TX RJ45 for PC EXT-MIC 2 x RJ9 for microphone |
| Audio input |
4 x microphone |
| Audio output |
1 x full duplex hands-free speakerphone |
| LED 指示灯 |
4 x power LED
3 x SIP LED
|
| 软件 |
| Audio standard |
G.711, G.726, G.729, iLBC, GSM |
| Network Protocol |
SIP 2.0 RFC 3261,TCP/IP, UDP, RTP,HTTP, ARP, ICMP, DNS, DDNS, DHCP (client), NTP, Telnet |
| Echo Cancellation |
G.168 |
| Access Method |
Static IP, PPPoE, DHCP |
| 电话功能 |
| Network Function |
DHCP Client on LAN
Main DNS and secondary DNS server
NTP Client
QoS with DiffServ
|
| Basic Features |
3 SIP servers
Voice Gain Setting, VAD, CNG
Supports jitter buffer
Supports SIP domain, SIP authentication (none, basic)
DNS name of server, peer to peer/IP call
DTMF relay: supports Inbound, SIP info, RFC2833
Supports STUN
Volume adjustment
Professional speaker and HD voice
|
| SIP 应用 |
Call Forward
Call Transfer (blind/attended/alert)
Call Holding
Call Waiting
Call Paging and Intercom
Call Park/Pickup
Redial
Click to dial
|
| 呼叫控制功能 |
Do not disturb (DND)
Auto answer
Caller ID
Dial without registration
|
| Advanced Applications |
Friendly graphic menu
Voice recording during talking, auto answer and local
incoming calls, outgoing calls and missing calls
Supports phonebook of 140 records
|
| Management |
Web and keypad management Management with different access rights Automatic upgrades/configuration deployment |
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