Call Transfer not ringing long enough

Have a problem when transferring a call that if no one answers it within a few seconds it goes to voicemail.

Is there a simple way of extending the time it rings before going to voicemail?

The extension ring time is programmable on a per extension basis in all versions of FreePBX.

When requesting assistance always state the version of FreePBX and Asterisk you are running and the method of install (distro or from scratch).