adhearsion/punchblock — pull request #231 by benlangfeld (2014-09-18 19:29:44+00:00)
Title: [BUGFIX] Fix possible infinite blocking

Avoid cases where executing AGI commands (reported as sending SIP messages) might block indefinitely due to a race condition in fetching their response value.

Requires a fix to Celluloid: celluloid/celluloid#456