Requirements:
- 1 Ursalink Router
- 1 Phone to send&receive SMS
- 2 SIM card to send&receive SMS
Step 1:
Install SIM2 and confirm that it can register network and send/receive SMS, and then remove SIM2.
Step 2:
Install cellular antenna(s) onto MAIN/AUX/LTE port(s), system LED indicator blinks 1/s. Install SIM2 in Ursalink router (refer to Quick Guide for SIM slot position).
Step 3:
Open router’s web GUI, go to “Status>Cellular”. Wait until “Status” under “Modem” is “Ready”, which means the SIM has registered, and “Status” under “Network” on the below is “Connected”, which means the router has connected to the Internet.
Step 4:
Go to “System>General Settings>Phone”, add the number of SIM1 under “Phone Number”. Create a phone group under “Phone Group List” includes SIM1. Click on “Save” and “Apply”.
Step 5:
Go to “Network>Interface>Cellular”, fill in proper SMS Center number with country dial-up code like "+1". Then under “Network>Interface>Cellular>SMS Settings”, choose PDU or TEXT as “SMS Mode” in the drop-down box. It is recommended to choose “TEXT” in step 4 for CLI. Enable “SMS Remote Control”, choose “Authentication Type” and 1 for “Phone Group”. Click on “Save” and “Apply”. This step defines that only numbers within phone group 1 can have access to the router information.
Step 6:
Go to “System>General Settings>SMS”, under “Send SMS”, send “Hello from SIM2” to SIM1’s number with country dial-up code like "+1". This message is sent successfully and can be checked under “Outbox”.
Step 7:
Start to send commands via SMS and achieve remote control. If it succeeds, SIM1 will receive "success:[sent command]\n[returned value]\n;", otherwise SIM1 will receive "failure:[sent content];", each command has a semicolon in between.
7.1. Send an SMS containing a single command to query:
e.g.: cellular information
7.2. Send an SMS containing a series of commands to configure:
e.g.: show WAN port info; enable; configure terminal; log global loglevel 7;
Note:
- If step 1 has been confirmed but modem status is “Ready” and the signal is weak in step 2, it is possible that your antennas are not installed correctly.
- The length of SMS in inbox is limited to 153 characters including spaces and punctuation Longer commands will be cut into 2 SMSs.
- Contact a support for more CLI commands.
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