سانترال تحت شبکه زایکو ZX20-A211

Call Hold / Forward / Transfer / Waiting / Parking
Call Paging and Intercom
Caller ID
Music On Hold
DISA(Direct Inward System Access)
Flexible Dial Plan
Ring Group
Conference Room
Black List
Phone Book
Call Queue
BLF(Busy Lamp Field)
Built-in SIP/IAX2 server
Build-in voice mail server
Echo Cancelation/VAD
Configuration By web
Support Static/DHCP/PPPOE
VPN Client(Support N2N)
DDNS Client
Support NTP
Hardware
32 bit embedded RISC DSP
2 analog (FXO/FXS) module interface.
NAND flash 256M
SDRAM 64M