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Does system information 6 changes even though we are in the same cell in GSM?

+2 votes
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Does system information 6 changes even though we are in the same cell in GSM?
posted Feb 9, 2015 by Shivaraj Kenche

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+2 votes

We have some native code that was doing a xmpp ping every 12 minutes, and if a ping didn't happen til 5 minutes after the device went to sleep, the GSM connection would silently drop.
If we change our ping interval to something like 4 minutes, the GSM connection will stay up even after the device goes to sleep.
My question is are the rules for how the GSM radio and sleeping documented anywhere?Are the rules changed by Manufacturer or by Carrier?

+2 votes

Hello,

I am trying to test our SRVCC implementation.

In the "PS to CS Request" message from MME to EMSC, there is no specific format in which target cell id is sent.

Do you have any inputs how i can encode and send and decode the same. ?

29.280 sec 6.9 says refer to MAP spec 29.002, But MAP spec doesnot specify anything.

Is there some format like "PLMN id", LAC etc passed in ..If so why this is not specified in specs !

thanks a lot
pdk

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