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VG204XM-RF
Cisco VG204XM Analog Voice Gateway REMANUFACTURED
Inventory quantities are subject to availability and are not guaranteed until the order is placed.
The Cisco VG204XM-RF is a professionally remanufactured Voice Gateway with 4 FXS analog voice ports, designed to bridge traditional analog telephony devices with modern IP voice networks. This compact gateway enables existing analog phones, fax machines, and modems to connect to Cisco Unified Communications Manager, Cisco Unified CME, or third-party SIP-based IP telephony systems. The VG204XM supports both SCCP and SIP signaling protocols for flexible deployment.
This remanufactured voice gateway delivers the same reliable analog-to-IP bridging performance as new units while offering exceptional value. Each unit has been professionally inspected, tested, and restored to meet Cisco's quality standards for voice communications.
Key Features:
• 4 FXS analog voice ports for connecting phones, fax machines, and modems
• Supports both SCCP and SIP signaling protocols for flexible IP telephony integration
• Compatible with Cisco Unified Communications Manager and Cisco Unified CME
• Compact form factor ideal for desktop or shelf deployment
• Built-in Ethernet port for simple network connectivity
• Voice quality features including echo cancellation, VAD, and comfort noise generation
This refurbished voice gateway is ideal for businesses migrating to IP telephony that need to preserve existing analog devices, or for branch offices requiring a compact solution to connect analog endpoints to a centralized IP PBX system.
| Data Link Protocol | Ethernet, Fast Ethernet |
| Device Type | VoIP phone adapter |
| Dimensions (WxDxH) | 8.8 in x 8.1 in x 1.8 in |
| Flash Memory | 128 MB |
| Form Factor | External |
| Power | AC 120/230 V ( 50/60 Hz ) |
| RAM | 256 MB |
| Telephony Interfaces | 4 phone (FXS) |
| VoIP Protocols | MGCP, SCCP, SIP, H.323 v4, RTP, SRTP |
| Authentication Method | RADIUS, TACACS+ |
| Compliant Standards | CISPR 22 Class B, CISPR 24, EN 61000-3-2, IEC 60950, EN 61000-3-3, EN55024, UL 60950, EN50082-1, EN55022 Class B, ICES-003 Class B, EN 61000-6-1, FCC |
| Connectivity Technology | Wired |
| Data Link Protocol | Ethernet, Fast Ethernet |
| Depth | 8.1 in |
| Device Type | VoIP phone adapter |
| Features | Wall mountable, RADIUS support |
| Flash Memory | 128 MB |
| Form Factor | External |
| Height | 1.8 in |
| Humidity Range Operating | 10 - 85% (non-condensing) |
| Interfaces | 2 x 100Base-TX - RJ-45 |
| IP Telephony Features | Caller ID, call waiting, automatic fax/modem detection and pass-through, call hold, call transfer |
| Max Operating Temperature | 104 |
| Min Operating Temperature | 32 |
| MTBF | 200,000 hours |
| Network / Transport Protocol | DHCP, DNS |
| Power Consumption Operational | 30 Watt |
| Power Device | External power adapter |
| RAM | 256 MB DDR2 SDRAM |
| Remote Management Protocol | Telnet, SNMP 3, HTTP, TFTP, CLI |
| Routing Protocol | HSRP |
| Telephony Interfaces | 4 phone (FXS) |
| Voice Codecs | G.711, G.729a, T.38 |
| VoIP Protocols | MGCP, SCCP, SIP, H.323 v4, RTP, SRTP |
| Voltage Required | AC 120/230 V ( 50/60 Hz ) |
| Weight | 2.98 lbs |
| Width | 8.8 in |