
Function
Specification
Network Protocol
* SIP v1(RFC2543), v2(RFC3261)
* IP/TCP/UDP/RTP/RTCP ¡@* IP/ICMP/ARP/RARP/SNTP
* TFTP Client/DHCP Client/PPPoE Client
* NAT/DHCP Server ¡@¡@¡@* Telnet/HTTP Server
* DNS Client/DDNS/VLAN
Voice Quality
* VAD/CNG//LEC ¡@¡@* Packet Loss Compensation ¡@
* Adaptive Jitter Buffer
Codec
* G.711/G.723.1/G.726/G.729A/G.729B
DTMF Function
* In-Band DTMF ¡@* RFC 2833 DTMF ¡@¡@* SIP Info
Phone Function
* Volume Adjustment¡@¡@* Speed dial key
* Phone book ¡@¡@¡@¡@¡@* Flash
IP Assignment
* Static IP/ DHCP/PPPoE
NAT Traversal ¡@¡@¡@
* Web Browser¡@¡@¡@¡@
QoS
* ToS field
Firmware Upgrade
* TFTP/Console/HTTP
Auto-Provisioning
* FTP/TFTP/HTTP
Dial Plan
Other Features
* Hotline support
* Alarm support
* Embedded Open Source IP PBX Support
* IP PBX Support