- Support three SIP servers running at the same time
- Provide two backup SIP servers
- Voice code: G.711A/u, G.723.1 high/low, G.729a/b, G.722, G.726
- G.168 compliant echo cancellation(64ms/96ms/128ms)
- VAD (voice active detect)
- CNG (comfort noise generation)
- Support Voice Gain Setting
- GSM, AMR, ILBC
- Support bridge and routing mode
- DTMF Sip Info, DTMF Relay, RFC2833
- Support PPPoE, (used for ADSL, cable modem connecting)
- VLAN(802.1P802.1Q)
- Support DMZ, DNS Relay, SNTP Client, Firewall
- Support network tools: ping, trace route, telnet client
- Web administration, telnet configuration and keypad operation
- Support HTTP, FTP, TFTP software upgrade or configure.
- Hotline,
- Alarm clock
- Speed dial
- Phone book(140 records)
- Call Forward, Call Transfer, 3-way conference calls
- Caller ID, Do not Disturb, Blacklist
IP PHONE,VoIP Phone
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