Got the solution!
Need to set SrcaddrTon = 5 for alphanumeric.

Unknown = 0
International = 1
National = 2
Network Specific = 3
Subscriber Number = 4
Alphanumeric = 5
Abbreviated = 6

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Riad

Hi everyone,

i need to Mask the Source Address in Inetlab.SMPP while pushing SMS to a number.

But when it put ... .Submit().From("ABCD") ....it shows ESME_RINVSRCADR that means only numeric is supported.

Please help.

Thanks,
Riad.