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The Unified SIP Phone 3905 is a cost-effective, entry-level IP phone that addresses the need for basic voice communications with common Unified Communications features in an attractive design that is also budget-friendly. The phone can fill the communication needs of cubicle, retail, classroom, manufacturing floor and hallway, as well as various wall-mounted deployments.

CP-3905 Specifications | |
Protocols | SIP |
Connectivity | 10/100BASE-T wired Ethernet LAN port plus switched PC port. |
Memory | • 4-MB flash memory • 32-MB synchronous dynamic RAM (SDRAM) |
Language support | Arabic (Arabic area), Bulgarian (Bulgaria), Catalan (Spain), Chinese (China), Chinese (Hong Kong), Chinese (Taiwan), Croatian (Croatia), Czech (Czech Republic), Danish (Denmark), Dutch (Netherlands), English (United Kingdom; prompts only), Estonian (Estonia), French (France), Finnish (Finland), German (Germany), Greek (Greece), Hebrew (Israel), Hungarian (Hungary), Italian (Italy), Japanese (Japan), Korean (Korea Republic), Latvian, Lithuanian, Norwegian (Norway), Polish (Poland), Portuguese (Portugal), Portuguese (Brazil), Romanian (Romania), Russian (Russian Federation), Spanish (Spain), Slovak (Slovakia), Swedish (Sweden), Serbian (Republic of Serbia), Serbian (Republic of Montenegro), Slovenian (Slovenia), Thai (Thailand), and Turkish (Turkey) are supported, but in different phases. |
Physical dimensions | 8.07 x 5.91 x 2.11 in. (205 x 150 x 53.5 mm) (in slab mode with the foot stand folded) |
Weight | 20.96 oz (594.3g) |
Power over Ethernet (PoE) | IEEE PoE 802.3af is supported, Class 1. |
Local power | The phone can also be powered locally with the power adapters. |
Operational Temperature | 32 to 104°F (0 ~ 40°C) |
Relative Humidity | 10 to 95% (noncondensing) |
Storage Temperature | 14 to 140°F (-10 to 60°C) |
Cosmetic | Cosmetic Class B |
Approvals and compliance | Regulatory compliance: • CE markings per directives 2004/108/EC and 2006/95/EC Safety: • UL 60950 Second Edition • CAN/CSA-C22.2 No. 60950 Second Edition • EN 60950 Second Edition • IEC 60950 Second Edition • AS/NZS 60950 • GB4943 EMC: • FCC Part 15 (CFR 47) Class B • ICES-003 Class B • EN55022 Class B • CISPR22 Class B • AS/NZS CISPR22 Class B • VCCI Class B • KN22 Class B • CISPR24 • EN55024 • EN61000-3-2 • EN61000-3-3 • KN 24 Telecom: • FCC Part 68 (47CFR) (HAC) • Canada-CS-03-HAC • Australia AS/ACIF S004, AS/ACIF S040 • New Zealand- PTC 220 Draft |
Model | CP-7821-K9 | |||
Ethernet switch | 10/100 | 10/100 | 10/100/1000 | 10/100 |
Programable line keys | 0 | 2 | 4 | 16 |
Number of Line Keys | 0 | 2 | 4 | 16 |
Full duplex speakerphone | Yes (narrowband) | Yes | Yes | Yes |
PoE Class | 1 | 1 | 1 | 1 |
Third-party call control | Planned | Yes | Yes | Yes |
Replaceable bezel | N/A | Yes | Yes | Yes |
Coco Yuan | |
Mobile | 0086 17798203880 |
| Skype | live:.cid.e65c44bedc6f70ae |
| whatsapp & wechat | 0086 17798203880 |
| Email | coco-yuan at sihuaer.com |
Q: What's your advantages?
A: a professional supplier focusing on new original network equipments for many years.we have established a perfect supply chain system to provide super supply products with reliable quality and competitive price. And we also have professional sales team provide 24 hours free-consulting, and we also have professional technical team and after-sales department.
Q: Can you get a better price or a discount?
A: Yes we can give you discount.But it is based on quantity.More quantity more attactive price.
Q: what's the MOQ for your products?
A: 1piece.
Q: What's the payment terms?
A: T/T , Alibaba Trade Assurance order and etc.
Q: What's the package?
A: Original packing. For the outside, we will pack it in an empty box to protect from damaged during transportation, and ensure you will receive the goods in good condition.
New products from manufacturers at wholesale prices