Description
Features
- IPv6, IPv4
- Call waiting
- SIP/IMS
- Call Transfer (Blind transfer, Attend transfer)
- SIP v2.0 (RFC3261) based on UDP/TCP/TLS
- Call Forwarding (Unconditional, No reply)
- Fax over T.38 and Pass-through
- Speed Dial
- QoS:L3 DIFFServ, 802, 1P/Q VLAN Tagging
- Do Not Disturb(DND)
- 3-way conference
- Automatic firmware upgrade and configuration via HTTP/HTTPS
- Hunting group
- System logs & CDR
- Voice Mail
- Flexible routing & dial plan
- Pluse Dialing
- Backup and restore
- MWI
- SNMP/TR-069
- 5 km long haul
- TLS/SRTP
- Music on hold