ATT WCTP - SNPP - RecipientID is invalid

[Paul_payne]

I installed and setup Netpager Pro to send SMS messages to ATT cell phones using either wctp.att.net/wctp or snpp.att.net respectively and using the cell phone # for the RecipientID, with and without the 1.

Everytime it connects, I get "RecipientID is invalid".

Is there something else needed with ATT or otherwise to get this working??

Thanks for any help provided.

[Tech Support]

The AT&T SNPP and WCTP hosts are part of their Enterprise Paging Network and are not free for public use. Devices not registered on the EPN cannot be messages through those hosts and there is a monthly cost AT&T charges to register a device on the EPN.

Currently, the only two methods that AT&T offers free for public use are SMTP and TAP.

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