Hi,
I am trying to send SMS through GSM Modem, But after the command it show error

/tool sms send serial0 "9909890908" message=Hi

It shows
error:timeout

What is the solution.

The Product Specification:

-Module Dual/Tri* band GSM 900/1800/1900MHz with class 10 GPRS
-Output Power Class 4 (2W for GSM 900) Class 1 (1W for GSM 1800)
-SMS Supports Text and PDU mode, Point to Point & Cell Broadcast
-Data Data circuit Asynchronous and non transparent upto 14.4 kbps autobaud rate (2400, -4800, 9600. 19200, 38400, 57600 bps) fixed baud rate (300, 600, 1200, 9600, 115200 bps)
-Fax Automatic fax group 3 (Class 1 & 2) Modem compatibility V.29, V.27 (TER and V.21Ch II) -PC Fax compatibility CCITT, G3 GPRS Packet Data Feature Class 10 Coding Scheme CS1 to CS4, embedded TCP/IP Stack
-AT Commands Interface GSM 07.05 and 07.07
-Connectors RS-232 Serial, DC Power socket
-SMA Antenna connector, SIM Card Holder
-Supply Input 7.2V DC 1.5A
-LED Indications Power ON, Network
-Mounting Table Top
-Enclosure ABS Plastic
-Antenna SMA Rubber / WHIP / Yagi Antenna*
-Dimensions 100 mm x 70 mm x 37 mm
-Operating Temp -5°C ~ +55°C
-Certification Type approved GSM Module.

Is tere any problem with the specification, I dont think so

The problem is solved, It was a some serial related issue.

Hi,
I am trying to send SMS through GSM Modem, But after the command it show error

/tool sms send serial0 "+58426xxxxxxx" message="Test Send SMS"

It shows

failure: timeout

What is the solution.