Description
Introduction to Analog Ethernet Voice Gateway
The Cisco VG350 Analog Voice Gateway (VG350-SPE150/K9) is a compact and flexible solution that enables organizations to connect their traditional analog telephones, fax machines, and other analog devices to the IP network. The VG350 Analog Voice Gateway offers a variety of interfaces, including FXS and FXO ports, and supports multiple call-processing protocols to provide a seamless integration with existing telephony infrastructures.
The VG350-SPE150/K9 Cisco VG350 Analog Voice Gateway supports up to 150 simultaneous calls, making it an ideal solution for small to medium-sized businesses and branch offices. The device comes equipped with the necessary hardware and software components for easy deployment and configuration, including a DSP-based hardware platform and the Cisco IOS software.
The VG350 Analog Voice Gateway also features advanced call-processing capabilities, including call transfer, call forwarding, call waiting, and voicemail. Additionally, the device supports multiple codecs, such as G.711, G.729a, and G.723.1, to ensure clear and high-quality voice communications.
Understanding the Functionality of Analog Voice Gateway
The Cisco VG350 Analog Voice Gateway (VG350-SPE150/K9) is a cost-effective solution that enables organizations to easily integrate their legacy analog devices into modern IP-based networks. This voice gateway offers a rich set of telephony features that help organizations to manage their communication needs more effectively.
The VG350-SPE150/K9 provides a maximum of 24 FXS ports and 2 FXO ports, which enables the gateway to connect with a wide range of analog devices such as telephones, fax machines, and modems. The gateway can also support up to 50 concurrent calls, making it ideal for small to medium-sized businesses.
The VG350-SPE150/K9 also supports advanced telephony features such as call waiting, caller ID, call forwarding, and call transfer. It also integrates with Cisco’s Unified Communication Manager (CUCM) for centralized call management and routing. This integration allows for advanced call routing, call forwarding, and call queuing, which can be managed through a user-friendly web interface.
In addition, the VG350-SPE150/K9 supports IP-based call control protocols such as SIP and H.323, which enable organizations to take advantage of advanced IP telephony features such as IP-based conferencing, voicemail, and auto-attendant services. This allows organizations to take full advantage of their IP network while maintaining their existing analog devices.
Quality of Service and Voice Quality in Analog Ethernet Voice Gateway
Quality of Service (QoS) refers to the ability of a network to provide a guaranteed level of performance to certain applications or data streams. In the context of the Cisco VG350 Analog Voice Gateway, QoS is essential for ensuring high-quality voice communication over the network.
The VG350 Analog Voice Gateway supports a range of QoS features such as classification, marking, policing, queuing, and shaping to prioritize voice traffic over other types of data traffic. This helps to ensure that voice packets are delivered with minimal delay, jitter, and loss, which are critical factors that affect voice quality.
Voice Quality refers to the overall sound quality of a voice communication, taking into account factors such as clarity, volume, and absence of background noise. The VG350 Analog Voice Gateway provides a high level of voice quality through its support for various voice coding standards, including G.711, G.723.1, G.729, and G.726. The gateway also provides echo cancellation, noise reduction, and automatic gain control (AGC) to improve voice quality further.
General Information
- Manufacturer : Cisco Systems, Inc
- Type: Networking
- Sub-Type : VOIP Gateway
- Manufacturer Part Number: VG350-SPE150/K9
- Brand Name: Cisco
- Product Series VG
- Product Model 360
- Product Name VG350 Analog Voice Gateway
- Product Type VoIP Gateway
Interfaces/Ports
- USB Yes
- Management Port Yes
- Number of Network (RJ-45) Ports 2
I/O Expansions
- Number of Total Expansion Slots 2
- Expansion Slot Type SFP
Network & Communication
- Ethernet Technology Gigabit Ethernet
- Network Standard 10/100/1000Base-T
Wireless Specifications
- Wireless LAN No
- Management & Protocols
- Voice Codec G.711
- Voice Codec G.729a
Memory
- Standard Memory 256 MB
- Memory Card Supported CompactFlash
Power Description
- Input Voltage 110 V AC
- Input Voltage 220 V AC
- Power Source Power Supply
- Redundant Power Supply Supported Yes
Weight and Dimensions
- Form Factor Rack-mountable
- Compatible Rack Unit 3U
- Height 5.2″
- Width 17.3″
- Depth 18.8″
- Weight (Approximate) 48.08 lb
Miscellaneous
- Certifications & Standards
- Immunity:
- EN 55024, CISPR 24
- EN50082-1
- EN 61000
- EMC:
- 47 CFR, Part 15
- ICES-003 Class A
- EN55022 Class A
- CISPR22 Class A
- AS/NZS 3548 Class A
- VCCI V-3
- CNS 13438
- EN 300-386
- TELCOM:
- TIA/EIA/IS-968
- CS-03
- ANSI T1.101
- ITU-T G.823, G.824
- IEEE 802.3
- RTTE Directive
- Safety:
- UL 60950-1
- CAN/CSA C22.2 No. 60950-1
- EN 60950-1
- AS/NZS 60950-1
- IEC 60950-1
