Cisco IP Phone 3905
Cisco Unified SIP Phone 3905
| Mã sản phẩm | CP-3905= |
| Tình trạng | Còn hàng |
ĐẶC ĐIỂM KỸ THUẬT
Thông số kỹ thuật chi tiết của thiết bị CP-3905=
| CP-3905= | Thông số kỹ thuật |
| Kết nối | 10/100BASE-T wired Ethernet LAN port plus switched PC port. |
| Bộ nhớ | • 4-MB flash memory • 32-MB synchronous dynamic RAM (SDRAM) |
| Cấp nguồn qua Ethernet (PoE) | IEEE PoE 802.3af is supported, Class 1. |
| Phần cứng | – Ergonomic design: The phone offers an easy-to-use interface and provides a traditional telephony-like user experience. |
| – Display: A graphical monochrome display with a resolution of 128 x 32 pixels provides a scrollable two-line intuitive access to phone services and configuration. | |
| – Foot stand: A foldable single-position foot stand offers optimum display viewing and comfortable use of keys | |
| – Wall mountable: You can fold the foot stand for wall mounting, with mounting holes located on the base of the phone. | |
| – Speakerphone: A full-duplex speakerphone allows for flexibility in placing and receiving calls | |
| – Volume control: The volume control toggle makes it easy to adjust the volume of the handset, speakerphone, and ringer | |
| – Ethernet switch: The phone has a 10/100BASE-T Ethernet connection through two RJ-45 ports, one for the LAN connection and the other for connecting a downstream Ethernet device such as a PC | |
| – Buttons: The phone has the following buttons: • Select, Back, and Two-Way Navigation • Redial, Transfer, and Hold/Resume • Standard dial pad • Mute, Volume Up/Down, and Speakerphone |
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| Phần mềm | – Signaling protocol: Session Initiation Protocol (SIP) is supported. |
| – Call features: • Adjustable volume levels • Auto barge • Call forward • Call pickup • Call waiting • Call transfer • Conference • Forced Authorization Codes (FAC) • Group call pickup • Message-waiting indicator • Music on hold • Private-line automatic ringdown (PLAR) • Redial • Shared line |
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| – Audio codec support: G.711a, G.711μ, G.729, G.729a, and G.729ab. | |
| – Voice quality: Comfort-noise generation (CNG) and voice-activity-detection (VAD) programming is provided on a system basis. | |
| – Configuration options: • Dynamic Host Configuration Protocol (DHCP) client or static configuration • Support for online firmware upgrades using Trivial File Transfer Protocol (TFTP) • Domain Name System (DNS) |
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| – Provisioning and manufacturing: • Web server for configuration and statistics • Real-Time Control Protocol (RTCP) support and monitoring • Syslog |
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