Commits
James committed cd2d67ace17
freetdm: fixed group block/unblock state dead lock when signal link is down and recovered later To re-produce this bug: 1. do CGB on one side 2. unplug signaling link cable 3. plug signaling link cable back 4. do CGU on the blocking side 5. cic state stay in RESTART for ever Fix this problem by sending cic to SUSPENDED state after receiving/sending CGU message