GL Announces Channel Associated Signaling (CAS) Protocol Emulator
With CAS, a timeslot or channel carrying speech will also have addressing and signaling options. It can be used to set up and take down calls.
More details were offered by the company in a recent statement.
Supervisory signaling is carried as either "onhook" or "offhook.” Also, addressing is carried as dual tone multi-frequency or other multi-frequency options.
“This form of signaling is still used to route calls on the public switched telephone network (PSTN) including subscriber lines like 2wire local loops, on trunks between central offices (CO), and on access trunks such as PBXs,” the company said in the statement. “Typical CAS signaling methods are: Loop Start, R1, MFC-R2, SS5, and other variants of these methods.”
The company also announced that CAS emulation was added to GL's Message Automation and Protocol Simulation (MAPS) platform – a testing tool used for SIP, MEGACO, MGCP, SS7, ISDN, GSM, MAP, CAS, LTE (News - Alert), UMTS, SS7 SIGTRAN, ISDN SIGTRAN, SIP I, GSM AoIP, Diameter and other protocols.
The MAPS CAS Emulator is used in testing of CAS signaling and transmission and detection of TDM traffic over T1 E1 using scripts. It is used to diagnose troubles and maintain devices and networks.
The MAPS CAS supports Profile Editor and Script Editor. MAPS also supports Tool Command Language scripting tools. These can offer remote operation, automation and multisite connectivity.
In addition, a call generation feature in MAPS lets a user simulate incoming and outgoing communication in the CAS network.
MAPS assesses call handling scripts, and then provides statistics on total calls, active calls, the number of completed calls, passed calls, failed calls and calls per second. Call reception and call generation windows offer results on call status and script execution, the company said.
Similarly, GL Communications supplies test, monitoring and analysis equipment for TDM, wireless, IP and VoIP networks, according to TMCnet. Earlier this year, it released its ISDN Protocol Analysis and Emulation software.
GL, which offers telecom engineering and IT consulting services, explained on its website how it serves the cellular, wireless, microwave, fiber-optic, leased T-1 network, and satellite communication sectors.
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Edited by Braden Becker