D-Link DPH-125MS + Dtmf, + Dhcp, + Stun, + Ip/Tcp/Udp/Dhcp/Rtp/Rtcp + Icmp/Http/Ntp/Tftp/Dns

DPH-125MS

VoiceCenter™ IP Phone

Technical Specifications

Protocol	+ IETF SIP (RFC3261)
Network Interface	+ RJ45 x 2, 10/100BaseT
LCD Display	+ 2 x 16 Characters
Key Pad	+ 25 Keys (Including Microsoft ResponsePoint (RP) Button for One-touch Access to Voice-activated Commands)
Call Features	+ Call Hold	+ Call Mute
	+ Call Retriever	+ Call Transfer
	+ Call Waiting	+ Call Forward (Busy / No Answer / Unconditional)
	+ Caller ID Display	+ Anonymous Call
	+ Anonymous Call Blocking	+ In-band DTMF / Out-of-band DTMF
	+ (RFC 2833) / SIP INFO	+ Message Waiting Indicator
	+ 3-way Conference	+ Redial
Codec	+ G.711μ-law	+ G.711a-law
	+ G.729a/b
Phone Functions	+ Multi-user (4 SIP Accounts)	+ Speakerphone Communication
	+ Pre-dial Before Sending	+ Handset / Speakerphone Volume Adjustment
	+ Speed-dial (10 Records)	+ Phonebook (200 Records)
	+ Call History (Incoming / Outgoing / Missed Calls)
Security	+ HTTP 1.1 Basic/Digest Authentication for Web Setup	+ MD5 for SIP Authentication (RFC 2069/ RFC 2617)
Dial Methods	+ Direct IP Call without SIP Registration	+ Dial Registered Number via SIP Server
	+ Dial URI from Phonebook / Speed-dial
Voice Quality	+ VAD (Voice Activity Detection)	+ CNG (Comfort Noise Generation)
	+ AEC (Acoustic Echo Cancellation)	+ G.168
	+ Jitter Buffer
QoS	+ ToS Field	+ IEEE 802.1q VLAN
Tone	+ DTMF	+ Ring Tone, 4 Selectable and 4 Editable Tones
	+ Ring Back Tone (Local and Remote)	+ Dial Tone
	+ Busy Tone
IP Assignment	+ Static IP	+ DHCP
	+ PPPoE
NAT Traversal	+ UPnP	+ STUN
TCP/IP	+ IP/TCP/UDP/DHCP/RTP/RTCP/	+ ICMP/HTTP/NTP/TFTP/DNS
Configuration	+ Key & LCD Configuration	+ Web Browser Configuration
	+ Auto/Manual Provisioning System