Support DTMF type: SIP info, DTMF Relay, RFC2833
Support 9 systems ringtones and three user-defined ringtongs
Soft keys programmable
SIP application: support Call forward / transfer (blind transfer /
attended transfer / Ringing Transfer) / Call hold / call waiting /
conference call / paging and intercom / call park / then grab /
interpolation / Automatic Callback / Click call / auto secondary dial /
Flexible call control functions: flexible dialing, support hotline number,
calling reject, reject blacklist, certification calls, white list barring, do
not disturb, speakerphone automatic answer, caller ID, anonymous
calls, outgoing calls etc.
Support phonebook 500 records, Incoming calls / outgoing calls /
missed calls. Each supports 300 records.
Support SMS
Support MWI
Support XML phonebook/browser
Support Speed dial
Support SRTP
Code synchronization via IP PBX/IMS
Support click to dial via web phone book
Voice codec setting for each SIP line
Customized lcd logo
Headset, speakerphone Ringing Selection
Ringing tone custom configuration parameters
Group listening
9.1.3 Network features
WAN/LAN: support bridge and router model
Support basic NAT and NAPT
Support PPPoE for xDSL
Support VLAN (optional: voice vlan/ data vlan)
NAT Penetrate, Stun Penetrate
Support DMZ
Support VPN (L2TP/OPEN VPN) function
Wan Port supports main DNS and secondary DNS server can select
dynamically to get DNS in DHCP mode or statically set DNS address.
Support DHCP client on WAN
Support DHCP server on LAN
QoS with DiffServ
Network tools in telnet server: including ping, trace route, telnet client
Summary of Contents for F52
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