Ditech Networks has joined the Voice over LTE via Generic Access (VoLGA) Forum, which promotes an approach for extending traditional GSM and UMTS services over Long Term Evolution (LTE) access networks. 
Based on the existing 3GPP Generic Access Network (GAN) standard, solutions based on VoLGA are designed to enable mobile subscribers to receive a consistent set of voice, SMS and other services as they transition between GSM, UMTS and LTE access networks.
Ditech Networks provides voice processing solutions, including voice quality enhancement and Voice 2.0 applications.
http://www.ditechnetworks.com
http://www.volga-forum.com/
