TIA TIA-1126.552
S.R0125-552-0 v1.0 VoIP Supplementary Services Descriptions: Call Hold
Telecommunications Industry Association , 07/01/2008
$36.00
$71.00
W/D NO S/S * X-REF ETSI TS 122.173
Product Information
Published:
07/01/2008
Pages:
14
File Size:
1 file , 140 KB
Language:
English
