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yuriizee / Q931DisconnectCause.php
Created October 3, 2025 08:20
Complete Q.931 (ISDN) Disconnect Causes PHP Enum with all 73 cause codes in decimal format and text descriptions according to ITU-T specification.
<?php
declare(strict_types=1);
enum Q931DisconnectCause: int
{
case UNALLOCATED_NUMBER = 1;
case NO_ROUTE_TO_TRANSIT_NETWORK = 2;
case NO_ROUTE_TO_DESTINATION = 3;
case SEND_SPECIAL_INFO_TONE = 4;