snom 300 Family of IP Business Phones

Technical Specifications

Hardware

Power: 5V (Power supply included) or POE IEEE 802.3af supported on all 300 series phones

Memory : 16MB DRAM, 4MB  FLASH

CPU: Infineon

Temp range: 0° C to 40° C (32°F to 104°F)

Measures: 25.5 cm W x 21 cm H x 9,5 D cm (10 x 81/4 x 33/4”), Weight 802g  

Display: 2 x 24 display w/ graphical field

Keyboard: 34 keys, 6 LEDs, 4 soft keys

Programmable function keys: with expansion module up to 65 ke

Audio: CNG- Comfort Noise generation, VAD- Voice Activity detections Dynamic Jitter-Buffer, Loudspeaker, Inclusive 27 ring tones Voice compression, Echo compression, Silence suppression

Connector: Network: (2) 10/100 BaseT E auto-detect RJ45 (Ethernet), Handset: RJ14 Standard Headset: Standard Computer and RJ Connector, Power: Center pin+

Software

Operating System: Linux

Configuration: Via web browser & / or Phone’s graphical display

Protocols Internet : IP, TCP, UDP, DHCP

VoIP : SIP RFC3261 compliant, H.323,H.255, H.245,H.450, STUN client (NAT traversal), UPnP client , Digest authentication,  Loose routing and strict routing support, Error-information support, Reliability of provisional responses (RFC3262), DNS SRV (RFC3263), redundant server support, Offer/answer (RFC3264), Message waiting indication reception, MWI events (RFC3265), Session-Timer, Dialog-State, ΕNUM (RFC3261), ΝAPTR (RFC2915), rport (RFC3581), REFER (RFC3515), Outbound proxy support, initial route

Voice encoding : G.711 aLaw, uLaw, G.729A, GSM 6.10 (Full rate), GIPS (optional), 48 kHz 16 bit audio hardware, In-band DTMF, Out-of-band DTMF (RFC2833)

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