À propos du produit
Comprehensive Interoperability and SIP Based Feature Set
Based on the SIP standard, the SPA 504 has been tested to ensure comprehensive interoperability with equipment from VoIP infrastructure leaders enabling service providers to quickly roll-out competitive, feature rich services to their customers. With hundreds of features and configurable sevice parameters, the SPA 504 addresses the requirements of traditional business users while leveraging the advantages of IP telephony. Features such as easy station moves, presence, and shared line appearances (across local and geographically dispersed locations) are just some of the many advantages of the SPA 504.
- Enjoy superior voice communications while retaining the convenience and user-friendliness over Internet
- Uses VoIP technology to transfer audio signals over the Internet while circumventing high toll charges by telephone companies
- With PoE port, transfer data and power on a single cable to places where a power outlet is absent
Spécifications techniques
| Display & Graphics | |
| Display Color | Monochrome |
| Interfaces/Ports | |
| Number of Network (RJ-45) Ports | 2 |
| Network (RJ-45) | Yes |
| PoE (RJ-45) Port | Yes |
| Management & Protocols | |
| Communication Protocols | NAT |
| SIP v2 | |
| STUN | |
| Physical Characteristics | |
| Height | 8.35" (212 mm) |
| Width | 8.43" (214 mm) |
| Depth | 1.73" (44 mm) |
| Technical Information | |
| Speakerphone | Yes |
| IP Phone Technology | VoIP |
| Total Number of Phone Lines | 1 |
| Caller ID | Yes |
| General Information | |
| Product Type | IP Phone |
| Manufacturer Part Number | SPA502G-RF |
| Manufacturer Website Address | http://www.cisco.com |
| Manufacturer | Cisco Systems, Inc |
| Product Model | SPA 502G |
| Product Name | SPA 502G IP Phone |
| Product Series | 500 |
| Brand Name | Cisco |
| Product Condition | Refurbished |
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