Hi -- when doing an MT push, I want to force the SMSC I want messages to go out on, regardless of what the handset's prefix happens to be. However, it doesn't seem to work -- messages just go out on a random SMSC, even when I include a "smsc=" value in the MT push URL.
We're recently suffering the overhead of the telcos rolling out number portability, and want to achieve the following: -- force a message to be pushed to a specific SMSC, provided the SMSC is specified in the push URL -- set a default SMSC (or group of SMSCs) for a prefix, in case the SMSC *isn't* specified -- and have confidence it'll all work. I am currently connected to 4 SMSCs, 3 providing connectivity to telco T1 (call these SMSC-T1.A through SMSC-T1.C), and one connected to telco T2 (SMSC-T2.A). Previously if I pushed out to a handset prefixed with "6427", it went out (randomly) through one of the 3 SMSCs connected to telco T1. The three smsc groups looked like this: group = smsc smsc = smpp smsc-id = SMSC-T1.A [ this changed between SMSCs ] allowed-prefix = "027;6427;+6427" denied-smsc-id = SMS-T1.B;SMS-T1.C [ obviously this was different between SMSCs ] preferred-smsc-id = smsc-t1a And the fourth SMSC (to the other telco) was along these lines: group = smsc smsc = smpp smsc-id = SMSC-T2.A allowed-prefix = "021;6421;+6421" (Judging from these prefixes, you can probably guess what country I am in.) With number portability, messages sent to handsets beginning with "6427" could potentially be forced to be sent out through telco T2; likewise handsets prefixed with "6421" might have to have messages pushed out through one of the SMSCs associated with telco T1. So I tried a test -- knowing a handset number which happened to have been ported from T1 to T2, but still keeping the "6427" prefix, I made some changes to the Kannel configuration, namely changing the allowed prefixes for all the SMSCs to allow all prefixes: allowed-prefix = "027;6427;+6427;021;6421;+6421;" I also added a "preferred-prefix" value in case we tried to push out messages without specifying the SMSC preferred-prefix = "021;6421;+6421" The URL I requested included a value for "smsc" set to "SMSC-T2.A" (url-encoded), and assumed this would forced the message to go out through SMSC-T2.A; instead the message goes to *any* of the four SMSCs (since they've all got "6427" as a valid prefix). It appears to be a random choice between the four. Your advice is appreciated. David
