Performance of IP Gateway
This Product is a 24-port Voice over IP (VoIP) phone gateway that provides advanced voice and fax capabilities for small-to-medium-sized business environments. This device is designed to integrate with existing IP telephony networks and can support up to 24 analog telephone devices or fax machines.
The VG224 is an ideal solution for customers who want to keep their existing analog phones and fax machines, but want to take advantage of the benefits of IP telephony, such as lower long-distance costs, enhanced call routing capabilities, and integrated voicemail.
This Item is a high-performance device that uses advanced DSP (digital signal processing) technology to ensure high-quality voice and fax communications. It uses MGCP (Media Gateway Control Protocol) for signaling and media control, which allows for flexible call routing and easy integration with Cisco CallManager.
It supports voice and fax transmission over IP, PSTN, and T1/E1 networks, and it supports H.323 and SCCP (Skinny) for signaling. It also supports QoS (Quality of Service) for priority handling of voice and fax traffic, and it has a built-in echo canceller to reduce echo on analog lines.
The Cisco VG224 is a 24-port Voice over IP (VoIP) gateway that is used to connect traditional telephone devices to a VoIP network. This device is designed to provide high-quality voice communication and has been widely used in enterprise environments.
In general, Cisco products are known for their reliability and This Product is no exception. The device is built with robust hardware and has a number of features that help to ensure high availability and reliability, such as redundant power supplies and network interfaces. Additionally, This Model runs the Cisco IOS software, which is a highly-regarded, stable and feature-rich operating system that is used across a wide range of Cisco products.
However, it is important to note that the reliability of any device can depend on how it is configured and maintained. It is essential to ensure that This Model is properly configured and that any software updates or patches are applied in a timely manner. Additionally, regular monitoring and troubleshooting should be performed to detect and resolve any issues that may arise.
In summary, the Cisco This Product is a reliable device when it's properly configured, maintained and troubleshooted by appropriate experts, providing high-quality voice communication and has been widely used in enterprise environments. But as always, it's important to consult with the vendor to ensure the device is right fit for your specific use case.
This Item is a Cisco 24-port Voice over IP (VoIP) gateway. It is a device that connects traditional phone systems to an IP network, allowing analog telephones, fax machines, and other analog devices to communicate over the internet.
This Item supports up to 24 analog ports, and provides advanced voice features such as caller ID, call waiting, and three-way calling. It also supports a wide range of signaling protocols, including FXS, FXO, and E&M, making it compatible with a variety of different phone systems.
In addition to its voice capabilities, This Item also includes a built-in 4-port Ethernet switch, allowing devices such as computers and network printers to be connected to the same network as the analog phones.
It can be also integrated with Cisco Unified Communications Manager (CUCM), Cisco Unity Express, and Cisco Unified Border Element, for full-featured voice and video communications.
Main Information about this Cisco VG224
- Manufacturer: Cisco
- Part Number or SKU # VG224
- Product Series VG200
- Product Name VoIP Analog Phone Gateway
- Product Type VoIP Gateway
Technical Information of Phone Adapter
- Management Port Yes
- Number of Network (RJ-45) Ports 24
- Number of Total Expansion Slots: 1
- Drive Type: External Phone Gateway
- Ethernet Technology: Fast Ethernet
- Ethernet LAN data rates 10,100 Mbit/s
- Cabling technology 10/100Base-T(X)
- Telephony Interfaces: 24 phone (FXS)
Network & Communication for VoIP Gateway
- Network Standard 10/100Base-TX
- Interface Provided1 x management, 1 x management - RJ-45, 2 x 100Base-TX - RJ-45, 24 x FXS
Management & Protocols
- The voice gateways support the following protocols-
- Remote Management HTTP, Simple Network Management Protocol (SNMP) 3, Telnet, TFTP
- Routing Protocol HSRP
- VoIP Protocols: H.323 v4, MGCP, SCCP, SIP
- Real-Time Transport Protocol (RTP)
- Secure Real-Time Transport Protocol (SRTP)
- Trivial File Transfer Protocol (TFTP)
- Dynamic Host Configuration Protocol (DHCP)
- Domain Name System (DNS)
- Cisco Unified Communications Manager or Cisco Unified Communications Manager Express Redundancy Support using Hot Standby Router Protocol (HSRP)
- Call survivability - MGCP failover to an H.323 connection to the SRST Router
- Cisco Fax Relay, T.38 fax relay, and modem pass-through
- Coder/decoder (codec) support, G.711, and G.729a
- RADIUS and TACACS+ for Telnet and authorization upport the following protocols:
- Rackmount Hardware : Fixed rackmount brackets
- Memory Card Supported CompactFlash (CF) Card
- Flash Size : 64MB ATA CompactFlash Based
- NVRAM : 64KB
- DRAM : 128MB
- Input Voltage 110 V AC
- Input Voltage 220 V AC
- AC input current (maximum) 1 amp
- DC input voltage - 12V 12V
- Frequency 50 to 60 Hz
- Power dissipation: 60W
- Redundant power supply: External 12-VDC UPS
- Operating temperature 32 to 122ºF (0 to 50ºC)
- Nonoperating temperature -40 to 185ºF (-40 to 85ºC)
- Operating humidity 5 to 95% Non-condensing
- Noise level (maximum) 38-dbA @ 3 ft (0.914m)
- On- or off-premises On-premises only, restricted access area, permanent ground required, to be installed and serviced only by trained professionals
Dimensions & Weight
- Height: 1.75 Inch
- Width: 17.5 Inch
- Depth: 13.5 Inch
- Weight: 11 LBS
- Cisco IOS Software Release 12.3(4)T or later
- Cisco Unified Communications Manager version: 3.3.3 SR2 or later
- Cisco Unified Communications Manager Express version: 4.3.2 or later
The voice over internet protocol gateway essentially acts as a bridge between legacy telephone systems and VoIP solutions by intelligently adapting and routing calls from one medium to another. VoIP is the technology used to make phone calls via the internet rather than through mobile devices or regular landline. A high-speed internet connection is required to support IP telephony. VoIP gateways take analog voice signals and convert them into data packets sent just like digital data over a broadband connection.
The gateway serves to connect traditional phone systems such as ACDs and PBXs with VoIP services or vice versa (connecting VoIP solutions to legacy phone systems). The process of converting voice over IP calls from one code to another is called transcoding. Depending on the VoIP setup, you may be in a position to keep the old phone number.
Normally, gateways will be used to connect to multiple VoIP endpoints such as services and devices to ensure PSTN resources are shared between multiple IP communication systems.
The addition of VoIP networking to legacy phone systems presents the opportunity to add more features and extend the life of legacy equipment. The use of VoIP solutions alongside legacy equipment in a hybrid setup will help in cutting costs and preventing disruption of business processes. The legacy phone system will, therefore, see the gateway as another networked PBX or as the phone service provider. It works as follows: voice signals from phone calls using the PBX are converted into VoIP data and transmitted over the internet using the service provider or VoIP peers. The incoming calls from VoIP are converted into the legacy protocol being used and sent to the PBX.
There are two types of VoIP gateways:
- Analog gateways – used to convert between traditional analog phones and phone lines and VoIP protocols.
- Digital gateways – used to convert between VoIP protocols and different types of digital phone services such as E1, T1, BRI, and PRI.
The biggest benefit of VoIP phones is the cheaper cost of calling compared to landlines especially when calling over a long distance. Some setups are completely free or are bundled together as a package with FTTP connections.
Key features of our VoIP gateways include:
- Compliance with multiple protocols including H.323, MGCP, SCCP, and SIP.
- Automatic provisioning via TFTP/HTTP
- Support for many voice codecs including G.711, G.723.1, G.726, and G.729A.
- Call routing and least-cost call routing capability
- Echo cancellation, Jitter buffering, VAD, and CNG for clarity even on low strength connections.
- T.38 compliance to support faxing.
- Web-based administration/management
VoIP gateways are also used to build redundancy on a system such that the gateway communicates with the primary IP in normal PBX setups. The gateway will communicate with a backup system if there is a failure. The use of a gateway to connect a VoIP system to a traditional phone makes sense if SIP trunks are unavailable or the reliability of a PSTN is needed.
VoIP gateways can also be used for staged migrations by setting it up as a bridge within a legacy PBX setup, the PSTN setup, and the new IP PBX setup. The PSTN setup trunks will be connected to one interface while the second interface will be connected to the legacy PBX trunk port. A VoIP protocol integration is undertaken for the new IP PBX.
The VoIP gateway also offers flexibility by passing calls between two PBXs and becomes useful in allowing some departments within a company to keep using a legacy system as other departments migrate to the VoIP system.We offer a big line of new and refurbished VoIP gateways including wireless, external, 10-100 gateways, and other VoIP solutions from reputable manufacturers that will meet your needs without exceeding your budget.
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