Concatenated SMS between carriers

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SMS & MMS Technical Forum » NowSMS Support - SMS Issues (Product Support Only) » Archive through October 19, 2005 » Concatenated SMS between carriers « Previous || Next »
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Posted on Monday, October 03, 2005 - 06:58 pm:   

Testing nowsms sending long sms messages between gsm modem and phone on same carrier (Cingular) seems to work great. When I try to send long sms to a phone on another carrier (Cingular to T-mobile) the messages get to the phone out of order and non-concatenated. Is there anything I can do about this?
Bryce Norwood - NowSMS Support
Board Administrator
Username: Bryce

Post Number: 5043
Registered: 10-2002
Posted on Wednesday, October 05, 2005 - 02:07 pm:   

No. Unfortunately, this is a problem specific to the USA.

The SMS interconnection between the carriers in the USA (even 2 GSM carriers like T-Mobile and Cingular) are text only.

So basically, they lose any special attributes such as concatenation, and scramble any binary data.

The issue is that CDMA is different, it's support for binary SMS is completely different. And to the best of my knowledge, it doesn't support long (concatenated SMS). So the US interconnects strip all of this.

Unfortunately, a lot of this kind of thing is difficult to do in the US. I hear that SimpleWire (an SMS service provider) is quite good at delivering binary SMS in the US, but I haven't had any direct experience using them.


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