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Short Message Display
  
May 12, 2008
The simplest way to explain why VoIP is a bad business, is to compare it with mobile phone. In an age when Nokia is planning to put GPS in every mobile phone, just as digital camera feature, we still have frequent questions about how to display short text message on IP phone!
Here is the answer for all AR1688 based device with a LCD:
1. SIP protocol, server can send text to AR1688 in standard MESSAGE request
2. IAX2 protocol, Asterisk has standard command SendText("Hello, world!"), we can understand the command and will display the text

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