AT620
Support 2 SIP and 1 IAX2
128*64 DOTS
4 softkeys    
AT610P
Support 2 SIP or 1IAX2
TN Positive Transflective
Support POE
AT610
Support 2 SIP or 1IAX2
TN Positive Transflective
AT530P
Support 2 SIP and 1 IAX2
16 Characters*2 Lines
9 speed dial button
Support POE    
AT530
Support 2 SIP and 1 IAX2
16 Characters*2 Lines
9 speed dial button
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