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VoIP Phone You May Also Be Interested In: traditional phones voip voip communication voip phone
1. Supporting all VOIP communication protocols such as SIP RFC3261, H.323, MGCP, SIP and Megaco and so on
2. Supporting DHCP dynamic distribution of IP addresses and static using of them
3. Updated program via FTP
4. Supporting major G.7XX Phonic coding function
5. Supporting E.164-based dialing function
6. Web browing, standard TELNET program and professial IPPHONETOOL supportable
7. Communication with phones of PSTN through gateway
8. Supporting pre-paid cards issued by ITSP
9. Dual ways hadsfree
10. Volume of the speaker and microphone independently adjustable
11. Saving missed calls , imcoming calls and dialed calls
12. G.165 16ms echo conteract and the same quality as traditional phones
13. G.165 16ms standard dial tone and DTMF creation and inspection
14. Compacity of 100 groups preset telephone numbers
15. Phonic alert
16. Classified code management of common users and super users
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