[asterisk-users] Sequence of transfers fail

[jg]

I have a problem transferring calls multiple times using DTMF sequences (#, *2).

The scenario is:
Transferee    calls         Transferor 1
Transferor 1  transfers to  Transferor 2
Transferor 2  transfers to  Transfer Target

When Transferor 2 enters '#' or '*2', Asterisk no longer reacts and the call remains with 
Transferor 2.

I have tested this with Asterisk 11.2 and 11.5 and there is an entry in the Snom forum which 
seems to describe the same problem with a reference to Asterisk version 1.8.

The transfer problem does not exist when using the REFER/NOTIFY/INVITE way which most SIP phones 
have on-board.

jg