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![Stefan Knoblich](https://secure.gravatar.com/avatar/6cad7d732e19fe4afcdb29b873f49fc7.jpg?s=96&d=mm)
Stefan Knoblich committed 9257e0f3445
ftmod_isdn: Port(/Fix) span signal handling, remove some dead/unused pieces and close the D-Channel on shutdown. This fixes a NULL-call segfault in ftdm_span_trigger_signal(). Signed-off-by: Stefan Knoblich <s.knoblich@axsentis.de>