Operating system name and version: Linux Mint KDE 64Bits
Version of smsd: 3.1.14
Smsd installed from: sources
Name and model of a modem / phone: ATI - ZTE CORPORATION

Hello, i have the next problem: i can receive messages from the modem but i cant send.
I've been reading about a smsc number that may be missing, but i dont know how to find that number if thats the case. My conf is this:

devices = GSM1 logfile = /var/log/smsd.log loglevel = 7 [GSM1] device = /dev/ttyUSB1 incoming = yes memory_start = 0 #smsc = 573006873215 #baudrate = 9600

And the log is:

2012-05-23 21:37:12,2, smsd: Smsd v3.1.14 started. 2012-05-23 21:37:12,2, smsd: Running as root:root. 2012-05-23 21:37:12,7, smsd: Running startup_check (shell): /var/spool/sms/incoming/smsd_script.cLcezu /tmp/smsd_data.qb5M89 2012-05-23 21:37:12,7, smsd: Done: startup_check (shell), execution time 0 sec., status: 0 (0) 2012-05-23 21:37:12,4, smsd: File mode creation mask: 022 (0644, rw-r--r--). 2012-05-23 21:37:12,5, smsd: Outgoing file checker has started. PID: 4644. 2012-05-23 21:37:12,5, GSM1: Modem handler 0 has started. PID: 4645. 2012-05-23 21:37:12,7, smsd: All PID's: 4644,4645 2012-05-23 21:37:12,5, GSM1: Using check_memory_method 1: CPMS is used. 2012-05-23 21:37:12,6, GSM1: Checking device for incoming SMS 2012-05-23 21:37:12,6, GSM1: Checking if modem is ready 2012-05-23 21:37:12,7, GSM1: -> AT 2012-05-23 21:37:12,7, GSM1: Command is sent, waiting for the answer 2012-05-23 21:37:13,7, GSM1: <- OK 2012-05-23 21:37:13,6, GSM1: Pre-initializing modem 2012-05-23 21:37:13,7, GSM1: -> ATE0+CMEE=1;+CREG=2 2012-05-23 21:37:13,7, GSM1: Command is sent, waiting for the answer 2012-05-23 21:37:13,7, GSM1: <- OK 2012-05-23 21:37:13,6, GSM1: Checking if modem needs PIN 2012-05-23 21:37:13,7, GSM1: -> AT+CPIN? 2012-05-23 21:37:13,7, GSM1: Command is sent, waiting for the answer 2012-05-23 21:37:14,7, GSM1: <- +CPIN: READY OK 2012-05-23 21:37:14,7, GSM1: -> AT+CSQ 2012-05-23 21:37:14,7, GSM1: Command is sent, waiting for the answer 2012-05-23 21:37:14,7, GSM1: <- +CSQ: 21,99 OK 2012-05-23 21:37:14,6, GSM1: Signal Strength Indicator: (21,99) -71 dBm (Excellent), Bit Error Rate: not known or not detectable 2012-05-23 21:37:14,6, GSM1: Checking if Modem is registered to the network 2012-05-23 21:37:14,7, GSM1: -> AT+CREG? 2012-05-23 21:37:14,7, GSM1: Command is sent, waiting for the answer 2012-05-23 21:37:15,7, GSM1: <- +CREG: 2,1, 8, 4E2C OK 2012-05-23 21:37:15,6, GSM1: Modem is registered to the network 2012-05-23 21:37:15,6, GSM1: Location area code: 8, Cell ID: 4E2C 2012-05-23 21:37:15,7, GSM1: -> AT+CSQ 2012-05-23 21:37:15,7, GSM1: Command is sent, waiting for the answer 2012-05-23 21:37:15,7, GSM1: <- +CSQ: 21,99 OK 2012-05-23 21:37:15,6, GSM1: Signal Strength Indicator: (21,99) -71 dBm (Excellent), Bit Error Rate: not known or not detectable 2012-05-23 21:37:15,6, GSM1: Selecting PDU mode 2012-05-23 21:37:15,7, GSM1: -> AT+CMGF=0 2012-05-23 21:37:15,7, GSM1: Command is sent, waiting for the answer 2012-05-23 21:37:16,7, GSM1: <- OK 2012-05-23 21:37:16,6, GSM1: Changing SMSC 2012-05-23 21:37:16,7, GSM1: -> AT+CSCA="+573006752979" 2012-05-23 21:37:16,7, GSM1: Command is sent, waiting for the answer 2012-05-23 21:37:16,7, GSM1: <- OK 2012-05-23 21:37:16,7, GSM1: -> AT+CIMI 2012-05-23 21:37:16,7, GSM1: Command is sent, waiting for the answer 2012-05-23 21:37:17,7, GSM1: <- 732103013475316 OK 2012-05-23 21:37:17,7, GSM1: -> AT+CGSN 2012-05-23 21:37:17,7, GSM1: Command is sent, waiting for the answer 2012-05-23 21:37:17,7, GSM1: <- 863403013704228 OK 2012-05-23 21:37:17,5, GSM1: CGSN: 863403013704228 2012-05-23 21:37:17,5, GSM1: IMSI: 732103013475316 2012-05-23 21:37:17,6, GSM1: Checking if reading of messages is supported 2012-05-23 21:37:17,7, GSM1: -> AT+CPMS? 2012-05-23 21:37:17,7, GSM1: Command is sent, waiting for the answer 2012-05-23 21:37:18,7, GSM1: <- +CPMS: "ME",0,100,"ME",0,100,"ME",0,100 OK 2012-05-23 21:37:18,6, GSM1: Checking memory size 2012-05-23 21:37:18,7, GSM1: -> AT+CPMS? 2012-05-23 21:37:18,7, GSM1: Command is sent, waiting for the answer 2012-05-23 21:37:18,7, GSM1: <- +CPMS: "ME",0,100,"ME",0,100,"ME",0,100 OK 2012-05-23 21:37:18,6, GSM1: Used memory is 0 of 100 2012-05-23 21:37:18,6, GSM1: No SMS received