- Snom 300 SIP Based IP Phone- 2 x IEEE 802.3 10/100 Mbps switch- 4 SIP identities (lines)- Headset connection- SIP RFC3261- Security: SIPS/SRTP TLS- STUN ENUM NAT ICE- Codecs: G.711 G.729A G.723.1 G.722 G.726 GSM 6.10 (full rate)- Power over Ether (PoE)- XML driven mini-Browser- Very low energy consumption- 2 x 16 character display backlit- 27 keys 6 programmable function keys with LEDs- Caller-ID- Message waiting indication LED- Address book (100 entries)- Speed dialing- Local dial plan- Number guessing- Lists of missed received and dialed calls (100 entries each)- Call waiting indication- Clock daylight saving call-timer- Call blocking (deny list)- Blocking of anonymous calls- Handling of 4 simultaneous calls- Menu-driven user interface- Ring tone selection import of individual ring tones- URL Dialing support- National language support for selected languages (NLS)- Do not disturb- Speakerphone (full duplex)- Auto answer mode- Keyboard lock- Hold- Blind transfer attended transfer- Music on hold support (only via PBX)- Divert- Conferencing (3-way conference bridge on phone)- Call park call pick-up (only via PBX)- Call pletion- Client Matter Code (CMC)- Call waiting/switching between calls- Redialing- RTP multicast paging- Multiple audio device supportPower supply ordered separatelySNO300BK