cetis 3300IP - Overview of Software

3300IP VoIP Phone | User Manual
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1.2 Overview of Software
Network Protocol
• SIP v1(RFC2543)
• V2(RFC3261)
• IP/TCP/UDP/RTP/RTCP
• IP/ICMP/ARP/RARP/SNTP
• TFTP Client/DHCP Client/PPPOE Client
• Telnet/HTTP Server
• DNS Clients
Codec
• G.711： 64K bit/s(PCM)
• G.723.1： 63k/5.3k bit/s
• G.726： 16k/24k/32k/40k bit/s(ADPCM)
• G.729A： 8k bit/s(CS-ACELP)
• G.729B： adds VAD & CNG to G.729
Voice Quality
• VAD： Voice activity detection
• CNG： Comfortable noise generator
• LEC： Line echo canceller
• Packet Loss Compensation
• Adaptive Jitter Buffer
Call Function
• Call Hold
• Call Waiting
• Call Forward
• 3-way conference
Tone
• Ring Tone
• Ring Back Tone
• Dial Tone
• Busy Tone
Phone Function
• Volume Adjustment
• Speed dial key
• Phonebook
IP Assignment
• IP (Static IP)
• DHCP
• PPPoE
Security
• HTTP 1.1 basic/digest authentication Web setup
• MD5 for SIP authentication (RFC2069/RFC2617)
QoS
• QoS field
NAT Traversal
• STUN
Configuration
• Web Browser
• Console/Telnet
• Keypad
DTMF
• DTMF RELAY
• DTMF RFC 2833
• DTMF SIP Info
SIP Server
• Support two SIP server working at the same time
• Provide a Backup SIP Server
Firmware Upgrade
• TFTP
• HTTP
• FTP