• DPH-120SE: 2 10/100BASE-TX Ethernet Ports (1 to PoE
• LAN switch with 802.3af compliance, 1 to PC)

SIGNAL, MEDIA & NETWORK PROTOCOLS

• SIP RFC 3261 & the related RFC standard in Appendix A
• SDP RFC 2327
• RTP RFC 1889
• IP assignment: Static IP, DHCP and PPPoE
• STUN, static port mapping (for NAT traversal)
• SNTP
• DNS & DNS SRV
• TFTP/FTP/HTTP for Auto Provision
• IP/TCP/UDP/ARP/ICMP

VOICE CODEC

• G.711a/u (64k bps)
• G.729A/B (8k bps)
• G.723.1high/low
• G.726-32
• G.722

ADVANCED VOICE QUALITY FEATURES

• Silence Suppression
• Acoustic Echo Cancellation (G.167)
• Voice Active Detection (VAD)
• Comfort Noise Generation
• Jitter Buffer
• DTMF Transmitter (SIP info,Transparent, RFC 2833)
• Packet Lost Concealment (PLC)

KEYPAD

• Menu
• Phone Book
• Callers
• 2 Navigator Keys for navigating in configuration; volume adjustment of Ringer, Speaker phone & Handset
• MWI
• Conference
• RLS(Release key)
• Mute
• Transfer
• R/Send (Redial and the entry to access call history; finish dialing and call the number)
• Hold
• Speaker
• 12 numeric keys with star & pound key

• Call Forward (Busy, No answer,
• Unconditional)
• Call Waiting
• Call waiting Indication
• Three Way Conference
• Anonymous Call/Rejection
• Message Waiting Indication
• Do Not Disturb
• Auto Answer
• Black list
• Limit list
• Auto hangup
• Ban outgoing
• hotline

SPEAKER PHONE

Built-in Speaker

REMOTE FIRMWARE UPGRADE

FTP/TFTP/HTTP for Firmware remote
update
APS auto-provisioning for firmware
and profile upgrade

USER INTERFACE/NETWORK MANAGEMENT

• Large dot matrix LCD display and
• HTTP(WEB) UI in English version &
• other Languages
• QoS
• IEEE 802.1p Compliant
• Diffserv (DSCP)/ToS
• SECURITY/ CLASS OF SERVICE
• 802.1Q VLAN Tag
• Full range VLAN ID Support

PHONE FEATURES

• 1 SIP user
• Caller ID display
• Call History: 100 Missed Calls, 100 Received Calls, 100 Dialed Calls
• Phone book (up to 500 contact names and phone numbers)
• Supports XML Phonebook/Browser
• Supports click to dial via web phonebook
• Day/Time display
• Call/Time display
• 14 Selective Ring tones (9 tones & 5 melodies)
• 10 Speed dial number
• Incoming call indicator
• Password control for Configuration
• Pre-dial before sending
• Memo