Test & Measurement

Test suite provides convergence platform

2nd September 2015
Mick Elliott

The IP Multimedia Subsystem Network Simulation referred to as MAPS SIP IMS test suite has been unveiled by GL Communications. Internet Protocol (IP) Multimedia Subsystem, popularly known as “IMS”, is built on Session Initiation Protocol (SIP) as the base to further support packaging of voice, video, data, fixed, and mobile services on a single platform to end users.

It provides a convergence platform for different types of networks – whether it is mobile, satellite, broadband, cable, and fixed networks, with a goal of building an efficient interoperating networks.

The MAPS SIP IMS test suite provides an advanced full-fledged network environment that enables users to test their applications, devices, and services prior to deployment on a real-time network. It can be used to simulate all or specific elements within IMS network infrastructure using simple ready-to-use test bed setups.

Thetest suite is capable of simulating multiple UEs and IMS core elements such as P-CSCF, I-CSCF, S-CSCF, PCRF, MGCF. With the help of mobile phones, and other simulated wireless networks, the VoLTE Lab setup can be operated in real-time for making VoLTE calls and also for interworking with PSTN and VoIP networks. It includes ready-to-use scripts, as per IETF specification.

Test scripts include general messaging and call flow scenarios for multimedia call session setup and control over IP networks. Logging and pass/fail results are also reported. Test cases verify conformance of actions such as registration, call control, proxies and other servers.

The application gives the users the unlimited ability to edit protocol specific messages and control scenarios (message sequences). "Message sequences" are generated through scripts. "Messages" are created using message templates.

GL also provides anAll-IP Packet Analyser - PacketScan for real-time capture, decode, and monitoring of the SIP signalling and RTP media on live IMS networks.

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