PDU format for concatentated sms

IoT Gateways Legacy FX/FXT series
1

Hi,
Can somebody point me to the PDU format (UDH) for sending multiple concatenated sms? if supported, that is. Thanks

2

uk.youtube.com/watch?v=KO_ey4v1ccA

See Also: letmegooglethatforyou.com/?q=Con … ed+SMS+UDH

3

ah don’t bother i found it. I got the format but didn’t set the UDHi bit in the first byte. I tot it didn’t work because the AT command couldn’t set the UDHi bit. Thanks.