Don't sell asterisk short, it's a tremendous tool for businesses of all sizes. Even if you only use mobile extensions it's trivial to write an extensions.conf script to play "Press 1 for sales, 2 for support" and have it ring different queues depending on keypress. If your company has any telephone needs at all this should be on your short list. IVRs, Conference rooms, automated phone status updates, queues, voicemail via email, and on and on. If you have two offices that would communicate by long distance (even/especially international), you can set up an IAX trunk and connect the sites for free.
The company I work for scaled from two people on the queues to 15+ desks+cells and counting -- 50 employees to 1500+ with only the most minor tweaking. For a while we also had IAX trunk links to major vendors and other companies that we spent a lot of phone time with.
The company I work for scaled from two people on the queues to 15+ desks+cells and counting -- 50 employees to 1500+ with only the most minor tweaking. For a while we also had IAX trunk links to major vendors and other companies that we spent a lot of phone time with.
I can't recommend it enough.