VoIP Poe Telephone IP Phone Desktop Office Telephone

 VoIP POE Telephone IP Phone Desktop Office Telephone  
  
Features :
 Support SIP 2.0 (RFC3261) and correlative RFCs 
 Codec:G.711 A/U Law, G.723.1, G.729a/b, G.722,G.722.1, G.726 
 Echo cancellation: Support G.168, and Hands-free can support 96ms, Hand free Speaker Phone 
Support Voice Gain Setting, VAD, CNG 
Full duplex hands-free speakerphone 
 NAT transverse: support STUN client 
 SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call 
SIP support 2 SIP lines. Can connect to SIP1 and SIP2 server at the same time 
DTMF: Support SIP info, DTMF Relay, RFC2833 
SIP application: support Call forward/ transfer/ holding/ waiting / 3 way talking 
Call control features: Flexible dial map, Hotline, Empty calling reject, Black list for reject authenticated call, limit call, No disturb, Caller ID 
Support Phonebook 500 records 
Incoming calls / Outgoing calls / Missing calls. Each support 100 records 
Support conference and voice record on SIP server 
Support 10 kind of ring type and 1 user ring 
Support IAX2,MWI, SMS 
 Support Speed Dial and Memo 
 Multilanguage realizes localization
Network Features 
 WAN/LAN: Support Route and Bridge model 
 Support basic NAT and NAPT 
 Support PPPoE for xDSL 
 Support DHCP Client on WAN 
 Support DHCP Server on LAN 
 Support VLAN (optional: voice vlan/data vlan) 
 QoS with DiffServ; DMZ; VPN (L2TP) 
Support main DNS and secondary DNS server; DNS Relay, SNTP Client, Firewall 
 Network tools in telnet server: Including ping, trace route, telnet client
Maintenance and Management 
 Web ,telnet and keypad management 
Management with different account right 
 Upgrade firmware through POST mode 
 Upgrade firmware through HTTP, FTP or TFTP. 
 Safe mode provide reliability 
Support Auto Provisioning (upgrade firmware or config file); Syslog 
  










FAQ
Question 1. What version of the phone do you have? 
Answer: All of our models are support five versions: analogue(PSTN), VoIP, GSM, PAGA, Wifi. Can be powered by AC110-240V, DC12V / DC5V, telephones line powered, solar, POE, battery or UPS.
 
Question 2. What's the advantages of your products compared with others?
Answer:
a. Most of our products have got the International Standard certification. Such as IECEx, IP65, IP66, FCC, CCC, ISO9000, EMC, ROHS, SGS, ...etc.
b. We have enough stocks support flexible and fast lead time within 3-7 days.
c. We support the best price lower than others with good quality and 24X7 hours online service. If you could share the project name and the photos of after-installation, we will offer 5-10% discount to support you.
 
Question 3. How long is the warranty period?
Answer: Normally the warranty period is 18 months after items received. If there any issues on the phones, we can send parts for your replacement.
Question 4. Will you offer any spare parts in free?
Answer: Yes, we can offer 2% spare parts(not included the phone housing).
Question 5. Can you provide a neutral version?
Answer: Yes. we can support neutral version. Normally, the default is our standard Kntech brand and the price is favorable than the neutral version.
Question 6. If some parts of the phones occur issue need to be changed, can we find the parts in our local store?
Answer: Yes, if out of the warranty period, please let us know the issue and we will offer the technical data of the parts and reference price.
Question 7. Can I purchase the accessories separately like PCB board, handset, buttons, speaker, keypad, ...etc?
Answer: Yes, we support MOQ 1pcs.
Question 8. Can I do customized of the products? 
Answer: Yes, we support OEM \ ODM order. We have our own R&D Department with high technology support. Please provide your detailed requirements.
Question 9. Can I choose other colors of the phones? 
Answer: Yes, normally the default color is yellow. Some model like KNZD-04, KNZD-11, KNZD-13, KNZD-14... support red, blue or white. It is base on our stock. If the quantity over 100pcs, we can support other colors.
Question 10. What's the MTBF of the phone? 
Answer: The MTBF is 50,000-70,000 hours. And the average failure rate is very low at 0.3%.