Generic selectors
Exact matches only
Search in title
Search in content
Search in posts
Search in pages

Reply To: Paging during SMS

#69398
pix
Guest

hi,

my answer didn’t post… damned.

Ok, basically, the size of the SMS does not influence the SMS setup time, which is the same whatever the length of the SMS.

The SMS flow is :
1/ Random Access from MS
2/ Immediate Assignment from BTS
3/ subscriber signalling (authentication, etc)
4/ SMS sending

Steps 1 2 3 are SMS setup, during which MS cannot answer to paging AND MSC is not aware how to reach the MS other than sending paging on the LAC. But MS is not listening to Pagings anymore.

Steps 4 is when MS is known by the MSC at the cell level (MM state). If sending a long SMS, the step 4 is gonna last longer.

Regards