Modules - Zycoo CooVox-U20 User Manual

24. Skype for SIP
25. Ring Group
26. Conference Bridge (Three Conferences)
27. Music On Hold
28. DISA (Direct Inward System Access) /Paging And Intercom
29. Call Detail Record
30. IP Phone Feature Code
31. BLF(Busy Lamp Field)
32. Static /DHCP /PPPoE Network Access
33. DHCP Server
34. System Backup
35. T.38 Pass-through
36. Audio Codec: G.722/ G.711-Ulaw/ G.711-Alaw/ G.726/ G.729/ GSM/ SPEEX
37. Video Codec: H.261/ H.263 / H.263+ / H.264
38. VPN Server (L2TP / PPTP / OpenVPN, up to 10 connections for VPN clients)
39. VPN Client (L2TP / PPTP / OpenVPN / N2N)
40. SNMPv2
41. IPv4 / IPv6
42. DDNS(Dyndns.org /No-ip.com /zoneedit.com)

1.3 Modules

4FXS Module
2FXOS Module
4FXO Module
2GSM Module
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