Hi dears.
I want to send a string as sms in gsm modem witch mixed from english and unicode word.
for example:
"hello in persian is 'سلام' in arabic is 'السلام'."
now, how I can make a pdu format from this string and what change I have to make in my pdu format configuration?
Thanks alot if any one help me.

GSM modems don't create an interface between your pc and the gsm network; they get the hidden internet signals from the gsm signal

Sorry I dont understand your answer.
I am using the GSM Modem to sending and receiving sms.
there are 2 options for me.
1_sending in text mode
2_sending in pdu mode
I am using from pdu mode
in pdu mode I have to encode and decode sms.
english letter are 7 bit _Septet_ and persian or arabic letter are 8 bit _Octet_
and I confused how I have to encode them _when are mixed such as my example in first post_ to be able to realize sms after receiving and receiver be able too.
So, please explain more about your answer and help me more?
Thanks.

Edited 6 Years Ago by funfullson: n/a

thanks but I saw it before.
I Coded my english message to octet.but realy I dont know how Ican do it when my message is made from persian word _that are 8 bit_.
in another style I have to encode a mixed message.
I dont know how I can do it.

So what will happens if my message be mixed from english and persian letters?
how I encode this example:
"hello in persian is 'سلام' in arabic is 'السلام'."
now english letters are 7 bit and arabic or persian ones are 8 bit.
I have to convert them to 16 bit?

Edited 6 Years Ago by funfullson: n/a

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