MERA VoIP Transit Softswitch

What Does MERA VoIP Transit Softswitch Mean?

The MERA VoIP Transit Softswitch (MVTS) is a carrier-class program developed by MERA Systems Inc. and designed for Voice over Internet Protocol (VoIP) carrier businesses.


MVTS includes both gatekeeper and proxy functionality, which helps to provide both smooth and flexible traffic management. The MVTS session controller also ensures smooth peering of VoIP networks.

Techopedia Explains MERA VoIP Transit Softswitch

The MVTS is a comprehensive solution designed to simplify network infrastructure and efficiently handle high-volume IP telephony transit across the carrier’s network. MVTS supports a number of protocols, including:

  • H.323 v.2
  • H.245 v.7
  • H.225 v.4
  • SIP v.2 (RFC 2543 bis)
  • T.38
  • T.120
  • SNMP v.1
  • MD5
  • CHAP
  • RADIUS authentification
  • RADIUS accounting

There are two types of MVTS architecture available:

  • Single-Server MVTS Architecture: Has a system traffic throughput capacity ranging from 30 to 1,500 concurrent calls per server in E1 multiples
  • Two- and Three-Level Cluster Architecture: Has a capacity ranging between 4,500 and 4,000 simultaneous call sessions

MVTS is a full-fledged softswitch that provides the following functionality:

  • Static and dynamic endpoint servicing
  • Two way H.323/SIP translation and conversion of media codecs to ensure interoperability with variegated networks and equipment
  • Call detail records and RADIUS application program interface for simple integration with billing systems
  • Load balancing and bandwidth management for efficient use of network resources
  • A carrier-grade solution that is fully redundant and scalable up to 40,000 simultaneous calls
  • Elaborate call routing based on the embedded routing engine and on the external RADIUS-aided method

MERA Systems changed its name to ALOE Systems Inc. in 2010.


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Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.