Cart

No products

Shipping $0.00
Total $0.00

Cart Check out

ITU-T Q.762 AMD 5

ITU-T Q.762 AMD 5

Signalling System No. 7 - ISDN User Part general functions of messages and signals - Amendment 5: Support for the customized alerting tone (CAT) service

More details

Download

PDF AVAILABLE FORMATS IMMEDIATE DOWNLOAD
$12.50

$25.00

(price reduced by 50 %)

Contact us