ED-137C/2-2 - Interoperability Standard for VOIP ATM Components - Volume 2 Telephone - Addendum 2

We are pleased to announce the publication of ED-137C/2-2|Interoperability Standard for VOIP ATM Components - Volume 2 Telephone - Addendum 2 FAA Legacy Telephone Interworking.
The scope of ED-137 is to define the rules for VoIP implementations to support ATM communications and their interoperability. ED-137 is composed of multiple Volumes, each of which is dedicated to a specific application. Volume 2 proposes a profile standard for the use of SIP to establish, terminate and modify speech media sessions of the Ground Telephone Service in an Air Traffic Services Ground Voice Network (AGVN). Volume 2 is composed of a core document describing the basic requirements and a number of addenda dedicated to specifc functionalities. Addendum 2 describes the provisions for the FAA Legacy Telephone Interworking.
It is available on the EUROCAE eShop:
https://eshop.eurocae.net/eurocae-documents-and-reports/ed-137c2-2/