Ok, first, you’re right, the Aeotec siren was originally announced to have chimes but the version that’s currently shipping has 5 “alerts” and they’ve announced there will be a separate device “soon,” a doorbell, that will have the chime sounds. (updated 2016: The doorbell device is now available and allows for changing sounds on the fly. See my post about for links.)
And I agree it’s annoying that there isn’t already a chime device that just does this.
However, this is an easy problem to solve with out of the box options, no custom programming or hardware builds required. Here are two different approaches, I’m sure there are others as well.
A. USE A CUSTOM TEXT TONE OR PUSH NOTIFICATION
As I mentioned, SmartThings already has the option to have the open/close sensor trigger a text, and then you can play any notification sound you have on your phone/tablet on receiving that. That’s what I use for notification that my front gate has been opened. This is out of the box functionality. I know if you have an apple phone it will also “ring” on your tablet if you want, so you could dedicate a tablet as the chime device as well.
You can also use a “push notification” which doesn’t require a phone contract. So again the tablet becomes your chime.
Again, these options already exist in the standard SmartThings mobile app.
So you put a networked open/close sensor on the door, set the notification rules in the ST app, choose the ring tones on your device, and you’re done.
B. USE A NONNETWORKED CHIME PLUS A NETWORKED SENSOR
Another easy alternative is to buy a nonnetworked $15 babyproofing door alarm (these come with many different sounds), and put it on the door along with a networked open/close sensor. Have the alarm make the sound in the house and have the networked sensor trigger whatever else you want, including a light going on or a phone notification.
This one puts two devices on the door, but the alarm is cheaper than a tablet in the previous method.
Or if you’re willing to spend about $50 for the nonnetworked device you can get the three part kind that stores like Subway use. These let you put the part that plays the chime anywhere you want. There are many of these sold for stores and offices, usually called “entry alerts” or “visitor alerts.” The following is just one typical example:
Again, with this method the device that plays the sound is NOT connected to your SmartThings network, you add a second networked door sensor so ST also knows the door is open.
If you want to shop locally you’ll probably find the childproof ones at stores selling that type of product, including Toys R Us, and the entry alert kind at places like Staples. Or Home Depot may have both kinds.
Anyway, either of these two methods could be implemented today and require no hardware modification or special code.
As for your two questions:
I don’t know if the Philo siren will work with ST or not, or what the chime sounds like. Hopefully if someone has experience with it they’ll let us know.
the Aeotec siren has the #5 alert sound which is less grating, but no chime. They’ve moved the chime to the not-yet-released doorbell, but we don’t yet know exactly how that will work.