سانترال تحت شبکه زایکو CooVox-U20-A220

PBX Features
Attend TransfeR, Blind Transfer, BLF Support, Blacklist, Callback
Dial by Name, DISA, DIDs, DODs, DND, FOP, Follow me
Mobility Extension, One Touch Record, Phone Provisioning, Pin User
Paging/Zone Paging, SRTP for Media, Skype Intergration, SMS to Mail/ Mail to SMS
Speed Dial, Smart DID, Spy Functions, Three way Calling
Network Features
DHCP Server
DDNS
IP Assignment (PPPoE / DHCP / Static )
IPv4
IPv6
NTP
SNMP (v1/v2)
Static Route
VLAN
VPN Client, VPN Sever
Codec and Protocol
Audio Codec: G.711(a-law, u-law), G722, G.729, G.726, GSM, Speex Video Codex Pass through
DTMF: RFC2833, SIP INFO, IN-band, H.261, H.263, H.263+, H.264
Protocol: SIP (RFC3261), IAX2
Security Features
Firewall
Refuse SIP Register of Dos
Refuse SSH Login of Dos
Log
Asterisk Debug Log
Phone Register Log
SSH Log
System Log
Web Access Log