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| Item number: CIEN4-31985751 Manufacturer no.: S30853-H4003-R101 EAN/GTIN: 4250366845616 |
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![](/p.gif) | - Outstanding user interface on TFT display
- 5-way navigation key for easy operation - Up to 4 SIP accounts - Multiple ringtones, selectable per line - (internal, external, group, door) - Exceptional HD voice and sound - Professional zero-touch auto-provisioning setup - Gigabit Ethernet (10/100/1000) with 2-port switch - Integrated Power over Ethernet - Internal directory with 100 entries - Call waiting / Call active indication
More information: Power | Power over Ethernet (PoE) | Yes | Ports & interfaces | Ethernet LAN (RJ-45) ports | 2 | ![](/p.gif) | RJ-9 ports quantity | 2 | Network | Ethernet LAN | Yes | ![](/p.gif) | Quality of Service (QoS) support | Yes | ![](/p.gif) | Security algorithms | SIPS, SRTP, SSL/TLS | ![](/p.gif) | VoIP protocols | SIP (RFC3261, RFC2543) | Audio | Speakerphone | Yes | ![](/p.gif) | Voice codecs | G.711, G.722 | Design | Product type | IP Phone | ![](/p.gif) | Product colour | Black | ![](/p.gif) | Handset type | Wired handset | Packaging content | Number of handles included | 1 pc(s) | Display | Display | TFT | ![](/p.gif) | Display diagonal | 3.5 " | ![](/p.gif) | Display resolution | 320 x 240 pixels | Phone features | Lines quantity | 2 lines | ![](/p.gif) | Caller ID | Yes | ![](/p.gif) | Phonebook capacity | 100 entries | ![](/p.gif) | Number of VoIP accounts | 4 | ![](/p.gif) | Call waiting | Yes | ![](/p.gif) | Call hold | Yes | ![](/p.gif) | Call forwarding | Yes | ![](/p.gif) | Conference call | Yes | Logistics data | Harmonized System (HS) code | 85171800 | Operational conditions | Operating temperature (T-T) | 0 - 40 °C | ![](/p.gif) | Operating relative humidity (H-H) | -25 - 70 % | Weight & dimensions | Handset dimensions (WxDxH) | 45.6 x 181 x 38.5 mm | ![](/p.gif) | Handset weight | 108 g |
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