On 17/10/2018 16:57, ethan at 
757.org wrote:
  It's an older office phone system. Boxes that run
a bunch of office
 phones. Not a mobile phone. 
I'm not looking for a mobile phone.  I'm looking for server-side
telephony hardware and services to implement an "SMS-based API" so that
I can perform various operations by using simple commands over SMS.
Andrew
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