10419 questions
12424 answers
19298 comments
21760 members
Hello
Thanks for contacting TELTONIKA | Crowd-support forum.
Have you tried theses option?
- changing '+' by '00'
- Rebooting the device
- Resetting your router to default factory settings.
- Trying another SIM card while trying to send SMS.
- Reflashing the firmware through bootloader menu
Best Regards