Parlay Group
Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
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'Parlay/OSA' is an open API for the telephone network.
It is developed by The Parlay Group, which works closely with ETSI and 3GPP, which all co-publish it.
Within 3GPP, Parlay is part of Open Services Architecture
The Parlay Group is a technical industry consortium (founded 1998) that specifies APIs for the telephone network.
These APIs enable the creation of services by organizations both inside and outside of the traditional carrier environment.
In fact, it is hoped that services can be created by IT developers, rather than telephony experts
Important Parlay APIs include: call control, conferencing, user interaction (audio and text messaging, SMS/MMS), and billing.
The APIs are specified in the CORBA Interface definition language and WSDL.
The use of CORBA enables remote access between the Parlay gateway and the application code.
A set of Java mappings allow the APIs to be invoked locally as well.
A major goal of the APIs is to be independent of the underlying telephony network technology (e.g. CDMA, GSM, landline SS7).
