[Blink] Which SIP service providers support SMS that can be used by Blink?

Adrian Georgescu ag at ag-projects.com
Wed Sep 19 20:59:44 CEST 2012

I highly doubt any pressure can make them open their old SMS networks. The question would be if on IP it costs zero to send 140 characters, why does SMS costs tens of cents per message?

You will more likely see this integration happening in 4G messaging/file transfer sessions enabled by RCS where users are already on a data plan and addressing works based on native SIP URIs and not phone numbers.


On Sep 19, 2012, at 8:54 PM, Mark Atwood wrote:

> On Wed, Sep 19, 2012 at 11:50 AM, Adrian Georgescu <ag at ag-projects.com> wrote:
>> I have not seen any. The reason is simple.
>> While it is trivial to sent a short message to a mobile network using many of the outgoing SMS gateway services out there, the next legitimate questions of a user would be how to get messages back. This requires the allocation a phone number in the GSM network for routing back the messages. And when it comes to phone numbers on GSM networks the discussion ends abruptly as no GSM operator  allocates such numbers for usage outside of their own network.
> I wonder if it would make sense for the various retail and wholesale
> SIP providers to start interchanging short messages with each other,
> and that would put some pressure on the GSM network operators...
> ..m
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