Other, softer benefits include possible productivity gains from being able to reroute calls and switch user profiles in software rather than having to reprogram the PBX, said Hall.

• 另外，Hall还说，还有一些好处可能是间接的。比如由于依靠软件就可以改变电话的去向和修改用户档案而不需重新设置PBX，生产力有可能得到提高。