I’m trying to  use opensmppbox and kannel to act as SMPP proxy. The SMSC 
operator doesn’t allow direct connections and it has two SMSCs, one of which is 
preferred and the other handles traffic if only the preferred fails. But, both 
are always active, i.e. bearerbox is normally bound to both.
I have a dozen of ESMEs that should connect to opensmppbox with a single bind 
and then bearerbox should make two connections to smsc1 and smsc2 for each and 
every esme. To simplify, the flow with one  ESME would look like this:

           ________________     _______________       _____
ESME1 --> | Opensmppbox   | --> | Bearerbox     |---> |SMSC1|
|               |    |               |      -----
|_______________|    |               |---> |SMSC2|
|_______________|      -----

For each new ESME there would be a new set of binds from bearerbox to SMSCs and 
the system-id of the esme should distinguish the rotue in bearerbox.
Hence, use-systemid-as-smsboxid is set to true in opensmppbox.conf

At the moment, I have two fake SMSCs with same SMSC-id and they share the load 
as expected. However, no matter what I try with directives like 
preferred-smsc-id and allowed-smsc-id, I can’t make a confgiration to make 
bearerbox route all MT SMS to SMSC1 only and route to SMSC2 if only SMSC1 is 

This is part of my bearerbox configuration:

group = smsc
smsc = fake
port = 12000
smsc-id = vasgw
#allowed-smsc-id = "vasgw"
#preferred-smsc-id = "vasgw"

group = smsc
smsc = fake
port = 12001
smsc-id = vasgw
#allowed-smsc-id = "vasgw"

Also, bearebox should accept MO SMS from any of the SMSC1 and SMSC2

Any ideas how to achieve this?



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