it's turn out the unicode checkbox is not user changeable. it automatically detect content of sms and change to unicode if necessary. the message can be sent correctly, maksimum 63 char. thats smaller then 70 char.
this is the log from SMSC ### smsc.log ### 2014-11-22 11:05:19 [31584] [6] DEBUG: AT2[wavecom]: TP-Validity-Period: 24.0 hours 2014-11-22 11:05:19 [31584] [6] DEBUG: AT2[wavecom]: --> AT+CMGS=140^M 2014-11-22 11:05:19 [31584] [6] DEBUG: AT2[wavecom]: <-- > 2014-11-22 11:05:19 [31584] [6] DEBUG: AT2[wavecom]: send command status: 1 2014-11-22 11:05:19 [31584] [6] DEBUG: AT2[wavecom]: --> 0031000B818011525137F10008A77E004800590055004E00410020002D0020BE68AC1CC6940020002800520045004400290020002D002D0032003000300030003000300030003000300030003300300030003000300030003000300030003000340030003000300030003000300030003000300035003000300030003000300030003000300030003600300030 2014-11-22 11:05:19 [31584] [6] DEBUG: AT2[wavecom]: --> ^Z 2014-11-22 11:05:22 [31584] [6] DEBUG: AT2[wavecom]: <-- > 2014-11-22 11:05:22 [31584] [6] DEBUG: AT2[wavecom]: <-- +CMGS: 128 2014-11-22 11:05:22 [31584] [6] DEBUG: AT2[wavecom]: <-- OK 2014-11-22 11:05:22 [31584] [6] DEBUG: AT2[wavecom]: send command status: 0 ### end ###
