Hello, i have ported Domjan's changes to trunk (https://reviewboard.asterisk.org/r/1653/ and https://reviewboard.asterisk.org/r/1676/), but i have some problems documenting the new config options: ss7_use_echocontrol and sls_shift Will appreciate if someone is using them or otherwise can shed some light on them. ss7_use_echocontrol - it looks as it is backwards i.e. if enabled it does not enable echocanceler ... is the bittesting in the code wrong or the code is fine, but the name is misleading? ss7_default_echocontrol - this option is separate from ss7_use_echocontrol just for indication - can't we just use ss7_use_echocontrol for the indication too or there is an use case when we need to indicate, but not use echocanceler?