ip phone (supports H323,SIP,protocols,Support Bridge and Router model)

  Voip sip phone ,NET820 is an Internet based voice network phone terminal. Phone series IP
phone adopts multiple voice control protocols and voice compression coding methods
to directly convert analog voice into IP packet for Internet transport, thus
effectively using the existing bandwidth to provide PSTN quality voice service.
1. NET820 IP phone supports H323,SIP,protocols,Support Bridge and Router model
2. Support H323 and SIP dual public server, offers two Ethernet interface and is
compatible with various soft switch systems and VoIP voice gateways to provide
broadband IP voice service.
Key features:
Voice Features
1. Call hold, Unattended/ attended call transfer
2. Call waiting and per call-waiting blocking
3. Call forward (Always, busy, no answer, power off)
4. VoIP speed dial, VoIP digital map
5. User define ring tone
6. E.164 dial plan and customize dial rules
7. Caller number/name display
8. Voice promote
9. Configurable jitter buffer size, Configurable audio frame
10. Support Bridge and Router model
11. Support H323 and dual sip public server
Data features:
1. Static/Dynamic WAN-IP-Addressing
2. PPPoE
3. Management and provisioning
4. Http, telnet, keypad
5. Adjustable user password and super password
6. URL based FTP,HTTP and TFTP auto provision
7. Configure file download and upload by support four settings storage, switch by
keypad
8. Safe mode provides reliability
8. Four servers store and load by keypad
9. 80 entries each for missed calls, answered calls and dialed calls
10. 100 entries for speed dial number
11. Multiply Language support
Interfaces
1 x WAN, 1 x LAN
Supported specification and applications:
1. Data networking
2. MAC Address
3. TCP:Transmission Control Protocol
4. DHCP:Dynamic Host Configuration Protocol
5. PPPoE:PPP Protocol over Ethernet
6. SNTP, Simple Network Time Protocol
7. STUN - Simple Traversal of User Datagram
8. TOS:Type of service
9. DNS:Domain Name Server
10. Support Bridge and Router model
11. RTP: Real-time Transport Protocol
12. RTCP:Real-time Control Protocol
13. Telnet:Internet's remote login protocol
14. HTTP:Hyper Text Transfer protocol
15. FTP:File Transfer protocol
16. TFTP:Trivial File Transfer Protocol
Call control /voip Features
1. SIP RFC3261
2. H323
3. Tone generation and Local DTMF re-generation according with ITU-T
Voice algorithms:
1. G.711(A-law or u-law)
2. G.723.1(6.3kbps,5.3kbps)
3. G729/iLBC
4. AGC(Auto Gain Control)
5. G.168/165 compliant 16ms echo cancellation
6. AEC(Auto Echo Cancellation)
7. VAD (Voice Activity Detection)
8. CNG(Comfort Noise Generation)
Environmental Electric requirements:
1. Voltage: 5V ~ 24V
2. Power adapter: output DC 5V/800mA
3. Operating requirement
4. Operation temperature: 0 to 40 C ( 32 to 104 F)
5. Storage temperature: -30 to 65 C (-22 to 149 F)
6. Humidity: 10 to 90% no dew
Packing: color/white box packing
sell Ip phone with sip,H323 and IAX2 protocol,internet phone,voip phone
Product Details:
Type Skype Phone
Place of Origin Guangdong, China