★★★ Cisco

CP-7925G-E-K9 Wireless

WLAN IP Phone 7925G ETSI telephone Telefon

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Cisco Unified Wireless IP Phone 7925GCisco^® Unified Communications is a comprehensive IP communications system of voice, video, data, and mobility products and applications. It enables more effective, more secure, more personal communications that directly affect both sales and profitability. It brings people together by enabling a new way of communicating in which your business moves with you, security is everywhere, and information is always available - whenever and wherever it is needed. Cisco Unified Communications is part of an integrated solution that includes network infrastructure, security, mobility, network management products, lifecycle services, flexible deployment and outsourced management options, end-user and partner financing packages, and third-party communications applications.

The power of the Cisco Unified Communications family of products extends throughout the enterprise, delivering a powerful, converged wireless solution with intelligent wireless infrastructure and an innovative new product: the new Cisco Unified Wireless IP Phone 7925G (Figure 1). This device delivers on-campus mobility to users using voice over wireless LAN (VoWLAN).

Figure 1. Cisco Unified Wireless IP Phone 7925G

Features

The Cisco Unified Wireless IP Phone 7925G is designed for users in rigorous workspaces as well as general office environments. It supports a wide range of features for enhanced voice communications, quality of service (QoS), and security. Some of the main benefits and highlights are listed here:

• IEEE 802.11 a/b/g radio

• Two-inch color display

• Bluetooth 2.0 support with Enhanced Data Rate (EDR)

• IP54 rated for protection against dust and splashing water

• MIL-STD-810F standard for shock resistance

• Long battery life (up to 240 hours of standby time or 13 hours of talk time)

• Built-in speakerphone for hands-free operation

• Exceptional voice quality with support for wideband audio

• Support for a wide range of applications through XML

Table 1 provides a list of the features, Table 2 summarizes wireless characteristics, Table 3 lists specifications, and Table 4 provides certification and compliance information.

Table 1. Features


Features	Description
Features	• Six line appearances • Abbreviated dialing • Adjustable ringing and volume levels • Adjustable display brightness and timeout • Any-key answer • Audible and vibrating ringers • Auto-answer • Auto-detection of headset and auto-answer from headset • Automatic keypad lock • Barge • Callback • Call forward • Call history lists • Call park • Call pickup • Call timer • Call waiting • Caller ID • cBarge • Corporate directory • Conference • Direct transfer • Extension mobility service • Fast-dial service • Group call pickup • Hold • Hotkey for keypad lock, vibration and ring toggle, and voicemail access • Immediate divert • Join • Last-number redial • Malicious-caller ID • Message-waiting indicator • Meet-me conference • Multilevel precedence and preemption (MLPP) • Music on hold • Mute • Network profiles (automatic) • On- and off-network distinctive ringing • OPickUp • Personal directory • Predialing before sending • Privacy • Quality report tool (QRT) • Redial • Ring tone per line appearance • Service URL • Shared line • Time and date display • Transfer
Buttons	• Two soft-key buttons to access screen-based applications, features, and functions • Application button that can support push-to-talk using XML • Mute • Speakerphone • Five-way navigation support • Volume control • Send button and Power/End button
Display	2 in. (5 cm) color display with 176 x 220 pixel resolution
LED	Ring, message waiting, and charging LED
Protocol support	• Skinny Client Control Protocol (SCCP) • Cisco Unified Communications Manager Versions 4.1, 4.2, 4.3, 5.1, 6.0, 6.1, 7.0 and later • Cisco Unified Communications Manager Express Version 4.3 and later • Cisco Unified Survivable Remote Site Telephony (SRST) Version 4.3 and later
Cisco Compatible Extension	Cisco Compatible Extension Version 4
Extensible language	XML eXtensible Markup Language
Codec support	G.711a, G.711u, G.729a, G.729ab, G.722, and iLBC audio compression codecs
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)
Network features	• Cisco Discovery Protocol • Transparent secure roaming • Provisioning of network parameters through DHCP
Security features	• Certificates • Image authentication • Device authentication • File authentication • Signaling authentication • Secure Cisco Unified SRST • Media encryption using Secure Real-Time Protocol (SRTP) • Signaling encryption using Transport Layer Security (TLS) Protocol • Certificate authority proxy function (CAPF) • Secure profiles • Encrypted configuration files Cryptography is not enabled by default and may only be enabled through a cryptographically enabled CUCM.
Provisioning and management	• Web server for configuration and statistics • Capability to disable local phone settings • QoS reporting: jitter, delay, dropped packets, and latency on a per-call basis • Real Time Control Protocol (RTCP) support and monitoring • Syslog • Wavelink Avalanche ( http://www.wavelink.com)
Deployment tools	Integrated site survey tool
Language support	Bulgarian, Catalan, Chinese, Croatian, Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, and Swedish

Table 2. Wireless Characteristics


Item	Description
Protocol	IEEE 802.11a, 802.11b, and 802.11g
Frequency band and operating channels	FCC: (-A) • 2.412-2.462 GHz; 11 channels • 5.15-5.25 GHz Unlicensed National Information Infrastructure (UNII-1), 5.25-5.35 GHz (UNII-2), and 5.725-5.825 GHz (UNII-3); 12 channels • 5. 47-5.725 GHz; 11 channels ETSI: (-E) • 2.412-2.472 GHz; 13 channels • 5.15-5.725 GHz; 19 channels Japan: (-P) • 2.412-2.472 GHz; 13 channels Orthogonal Frequency Division Multiplexing (OFDM) • 2.412-2.484 GHz; 14 channels Complementary Code Keying (CCK) • 5.15-5.725 GHz; 19 channels Rest of World: (-W) • Uses IEEE 802.11d to identify band ranges and channels
Support mode	• IEEE 802.11a • IEEE 802.11b/g • Autosensing, IEEE 802.11b/g preferred over IEEE 802.11a • Autosensing, IEEE 802.11a preferred over IEEE 802.11b/g • Received signal strength indicator (RSSI) (default)
Data rates	IEEE 802.11a: 6, 9, 12, 18, 24, 36, 48, and 54 Mbps	IEEE 802.11b: 1, 2, 5.5, and 11 Mbps		IEEE 802.11g: 6, 9, 12, 18, 24, 36, 48, and 54 Mbps
Nonoverlapping channels	• IEEE 802.11a: Up to 23 (including radar channels) • IEEE 802.11b/g: 3 (Japan uses 4) (Bluetooth 2.0 also makes use of the 2.4 GHz spectrum, so IEEE 802.11a is recommended when using Bluetooth 2.0)
Wireless modulation	• IEEE 802.11a: OFDM • IEEE 802.11b: Direct sequence spread spectrum (DSSS) • IEEE 802.11g: OFDM and DSSS
Receiver sensitivity (typical)	IEEE 802.11a: • 6 Mbps: -91 dBm • 9 Mbps: -90 dBm • 12 Mbps: -88 dBm • 18 Mbps: -86 dBm • 24 Mbps: -82 dBm • 36 Mbps: -80 dBm • 48 Mbps: -77 dBm • 54 Mbps: -75 dBm	IEEE 802.11b: • 1 Mbps: -96 dBm • 2 Mbps: -95 dBm • 5.5 Mbps: -90 dBm • 11 Mbps: -87 dBm		v802.11g: • 6 Mbps: -91 dBm • 9 Mbps: -90 dBm • 12 Mbps: -87 dBm • 18 Mbps: -86 dBm • 24 Mbps: -82 dBm • 36 Mbps: -80 dBm • 48 Mbps: -77 dBm • 54 Mbps: -76 dBm
Transmitter output power	IEEE 802.11a OFDM: • 40 mW (16 dBm) • 32 mW (15 dBm) • 20 mW (13 dBm) • 8 mW (9 dBm) • 3.2 mW (5 dBm) • 1 mW (0 dBm)	IEEE 802.11b CCK: • 50 mW (17 dBm) • 20 mW (13 dBm) • 8 mW (9 dBm) • 3.2 mW (5 dBm) • 1 mW (0 dBm)		IEEE 802.11g OFDM: • 40 mW (16 dBm) • 32 mW (15 dBm) • 20 mW (13 dBm) • 8 mW (9 dBm) • 3.2 mW (5 dBm) • 1 mW (0 dBm)
Range (stated ranges are from measured open-site range testing)	IEEE 802.11a: • 6 Mbps: 604ft (184 m) • 9 Mbps: 604 ft (184 m) • 12 Mbps: 551 ft (168 m) • 18 Mbps: 545 ft (166 m) • 24 Mbps: 512 ft (156 m) • 36 Mbps: 420 ft (128 m) • 48 Mbps: 322 ft (98 m) • 54 Mbps: 289 ft (88 m)	IEEE 802.11b: • 1 Mbps: 1,010 ft (308 m) • 2 Mbps: 951 ft (290 m) • 5.5 Mbps: 919 ft (280 m) • 11 Mbps: 902 ft (275 m)		IEEE 802.11g: • 6 Mbps: 709 ft (216 m) • 9 Mbps: 650 ft (198 m) • 12 Mbps: 623 ft (190 m) • 18 Mbps: 623 ft (190 m) • 24 Mbps: 623 ft (190 m) • 36 Mbps: 495 ft (151 m) • 48 Mbps: 413 ft (126 m) • 54 Mbps: 394 ft (120 m)
	Ranges and actual throughput vary based on numerous environmental factors so individual performance may differ.
Access point support	• Cisco 500 Series Wireless Express Access Points • Cisco 1000 Series Lightweight Access Point • Cisco Aironet 1100 Series Access Point • Cisco Aironet 1130 AG Series Cisco Aironet 1200 Series • Cisco Aironet 1230 AG Series • Cisco Aironet 1240 AG Series • Cisco Aironet 1250 Series • Cisco Aironet 1300 Series		Required versions: • Cisco Wireless LAN Controller (lightweight) Minimum: Version 4.0.217.0 Recommended: Version 5.1.151.0 or later • Cisco IOS ^® Software access points (autonomous) Minimum: Version 12.3(8)JEA Recommended: Version 12.3(4g)JA1 or later
Wireless security	Authentication: • Cisco Wireless Security Suite IEEE 802.1X • Lightweight Extensible Authentication Protocol (LEAP) Authentication • Protected Extensible Authentication Protocol (PEAP) MS-CHAP Version 2 • Extensible Authentication Protocol and Flexible Authentication with Secure Tunneling (EAP-FAST) • Extensible Authentication Protocol and Transport Layer Security (EAP-TLS) • Wi-Fi Protected Access (WPA) Versions 1 and 2: Personal and Enterprise • Cisco Centralized Key Management (CKM)		Encryption: • 40- and 128-bit static Wired Equivalent Privacy (WEP) • Temporal Key Integrity Protocol (TKIP) and Message Integrity Check (MIC) • Advanced Encryption Standard (AES)
QoS	IEEE 802.11e and Wi-Fi Multimedia (WMM) • Traffic Specification (TSPEC) • Enhanced Distributed Channel Access (EDCA) • QoS Basic Service Set (QBSS)
Radar detection	Dynamic frequency selection (DFS) and transmit power control (TPC) according to IEEE 802.11h
Power save mode	• U-APSD • Power Save Poll (PS-Poll)

Table 3. Specifications


Item	Description
Dimensions (H x W x D)	5.0 x 2.0 x 0.8 in. (12.7 x 5.2 x 2.0 cm)
Weight	4.8 to 5.0 oz (138 to143g) depending on battery pack
Battery	• Standard lithium-ion (Li-ion) battery life: up to 9.5 hours talk time and 180 hours standby • Extended Li-ion battery life: up to 13 hours talk time and 240 hours standby • Actual battery life varies significantly based on environmental factors and Bluetooth use
Input Power	• Phone: 100 to 240 VAC, ~0.2A, and 50 to 60 Hz • AC adapters (by geographical region)
Operating temperature	32 to 104°F (0 to 40°C)
Storage temperature	-22 to 140°F (-30 to 60°C)
Relative humidity	10 to 95% (noncondensing)
Vibration	1.5 Grms maximum, 0.1 in. (2.5 mm) double amplitude at 0.887 octaves per minute from 5-500-5 Hz sweep, and 10-minute dwell on three major peaks in each of the three major mutually perpendicular axes
Thermal shock	-22°F (-30°C) 24 hours; 158°F (70°C) 24 hours
Altitude	Certified for operation: 0 to 6500 ft (0 to 2 km)
Endurance	• IP54 • MIL-STD-810F, Method 516.5, Procedure I
Headset	• Wireless: Bluetooth 2.0 • Wired: 2.5 mm (4-conductor tri-band)
Connector	Mini USB


Part Number	Description
CP-7925G-E-K9	Cisco Unified Wireless IP Phone 7925G ETSI; Cisco Unified Communications Manager and Cisco Unified Communications Manager Express User License Required; Battery/Power Supply Not Included

for more info:http://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/unified-wireless-ip-phone-7925g/data_sheet_c78-504890.html

Quelle:Cisco

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