GL Enhances MEGACO (H.248) Emulator with Binary Encoding
GL Communications Inc., announced today its latest product MAPS™ MEGACO (H.248) Emulator that's now enhanced to support H.248 protocol simulation in 2G, 3G and VoIP networks using Binary encoding format as per 3GPP specifications.
- (1888PressRelease) April 05, 2016 - Gaithersburg, Maryland, USA - Speaking to the press, Mr. Karthik Ramalingam, a Senior Manager for Product Development of company, said, "The Media Gateway Control Protocol (MEGACO/H.248) is a signalling and call control protocol used between the Media Gateway Controller (MGC) and Media Gateway (MG) for supporting multimedia stream transmission. In a 2G/3G core network, the MSC server (or GMSC Server) controls MG over a 3GPP interface, termed as Mc interface. The MSC (or GMSC) server supports the call control and mobility management functions, and the Media Gateway provides the bearer control and transmission resource functions."
He added, "The MEGACO protocol is implemented in binary encoding over 2G/3G core network. However, it can be still used in traditional text based encoding in IP networks as well. It is typically used for providing Voice over Internet Protocol (VoIP) services like voice and fax between different networks - such as IP Networks and the PSTN, IP Networks and Wireless Networks (2G/3G) or entirely within IP Networks."
Mr. Ramalingam further explained, "GL's MAPS™ (MEGACO /H.248) can simulate both MSC and MG network elements across Mc interface in 2G/3G and VoIP networks. It now supports binary encoding along with existing textual encoding. The binary encoding is based on Basic Encoding Rules (BER) description of the protocol and text encoding is based on Augmented Backus-Naur Form (ABNF) description.
As provided in the network diagram MEGACO (H.248) in 2G, 3G CS core. The CS core network includes the MSC server, GMSC server and Media Gateways. The GMSC server and MSC servers are connected to the media gateway via the Mc interface. The H.248 protocol together with 3GPP specific extensions or packages is used over the Mc interface.
The MSC servers and GMSC servers are connected via Nc interface. Any suitable call control protocol may be used over the Nc interface (e.g. BICC Protocol). The GMSC server and MSC server supports the call control and mobility management functions, and the media gateway provides the bearer control and transmission resource functions."
Important Features
•Complete end to end test environment for 2G, 3G and VoIP networks
•Generates and processes H.248 valid and invalid messages
•Support for both text based and binary based syntax encoding
•Simulates Media Gateway Controller (MGC) and Media Gateway (MG) in IP Networks
•Simulates MSC (or GMSC) and Media Gateway (MG) in 2G/3G Networks
•Tests Media Gateway Controller functionalities
•End-to-end Gateway Testing
•Multi-protocol call trace for 2G, 3G, PSTN calls
•Supports commands such as Add, Subtract, Notify, Modify, Move, Service Change, Audit Value, and Audit Capabilities
•Supports message templates for each MEGACO message and customization of the field values
•Facilitates defining variables for the various protocol fields of the selected MEGACO message type
•Supports almost all industry standard codec types - G.711 (mu-Law and A-Law), G.722, G.729, G.726, GSM, AMR, EVRC, SMV, iLBC, SPEEX, and more (*AMR and EVRC variants require additional licenses)
•Supports transmission and detection of various RTP traffic such as digits, voice file, single tone, and dual tones in IP networks
•Supports 64-bit version to enhance signalling performance, and to handle increased call rate of up to 3000 calls with high volume traffic
•Automation, Remote access, and Schedulers to run tests 24/7
•Supports Client-Server functionality (requires additional license) and supported clients include TCL, Python, VBScript, Java and .Net
About GL Communications Inc.,
Founded in 1986, GL Communications Inc. is a leading supplier of test, monitoring, and analysis equipment for TDM, Wireless, IP, and VoIP networks. Unlike conventional test equipment, GL's test platforms provide visualization, capture, storage, and convenient features like portability, remote operation, and scripting.
Our test solutions cover wide array of networks - 4G (LTE), 3G, 2G, IP, Ethernet, T1, T3, E1, E3, OC-3/STM-1, OC-12/STM-4, and analog. GL's tools are widely used by the telecommunication industry for: conformance testing, automated stress/load testing, and performance assessment, and analysis. For more information about GL's complete line of products,
Contact:
Shelley Sharma
Phone: 301-670-4784
E-mail: info at gl.com
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