This document specifies the wireless intersystem network operation enhancements required for supporting roaming subscribers with the Answer Hold (AH) feature.
TIA TIA/EIA/IS-837
Original price was: $119.00.$59.00Current price is: $59.00.
TIA/EIA-41-D Based Network Enhancements for Answer Hold (AH)
Telecommunications Industry Association , 07/01/2000
Pages: 48
