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Antonio Medina Ortega
New member
Username: Antoniomedina

Post Number: 1
Registered: 07-2015
Posted on Thursday, July 02, 2015 - 11:33 am:   

Hi all,

we are setting up a new APN for MMS. This APN has a different name and addressing to the current one. Connections from new APN are rejected by MMSC server with following error:

HTTP1.1/503 Service Unavailable

The reason is Connection not allowed for IP address X.X.X.X

We have checked configuration out an we do not see any parameter defining a whitelist of IPs.

We are wondering if the fact of using a new APN name could be the reason.

Any help is welcomed.

Thanks in advance.

Kind Regards,
Antonio.
Des - NowSMS Support
Board Administrator
Username: Desosms

Post Number: 5353
Registered: 08-2008
Posted on Thursday, July 02, 2015 - 07:44 pm:   

Hi Antonio,

Check the IP address restrictions here for the MMSC: http://www.nowsms.com/doc/system-settings/configuring-the-web-interface-and-smpp-server

The error could also be coming from the WAP gateway, which has similar settings on the "Options" or "Misc" page of its configuration settings (location varies by version).

--
Des
NowSMS Support
Antonio Medina Ortega
New member
Username: Antoniomedina

Post Number: 4
Registered: 07-2015
Posted on Monday, July 06, 2015 - 10:09 am:   

Hi,

the problem was due to WAP gateway. We have updated the configuration and it works now.

Thanks for your support.