Hello, while most of the physical phones have keys to handle attended and blind transfer, most soft phones have no support for it. Asterisk offers a
“featuremap” to assign a key to blindxfer and atxfer and they work fine if the call is still in the same starting context, but if the call has moved in another context, then the new call will be started from such context with unpredictable results.

Do you have any idea to make all transfers to be applied to the context defined in the sip.conf instead of the context where the call is running in that moment?

Leandro