Binding issues often stem from wrong credentials, blocked IP, or firewall settings. Verify your system ID, password, host, and port match what we provided. Test with Telnet (e.g., telnet smpp.smsgateway.center.2775)—no connection means network trouble. Ensure your IP is whitelisted and ports are open—our SMPP setup explains this. Contact support at +91-9619 141 191 if errors persist with our SMS gateway.
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