SMS escalation in opm 12.3

SMS escalation in opm 12.3

We have a need for sms escalation localy on the opm-server. With older editions we have had sms-modem enabled but in release 12.3 there is a change in the setup-settings form. The sms-modem haven't been stable for us but sometimes it sends a bunch of messages...

We are using opm to monitor default-gw and other network-links and are on a very isolated network so we need gsm-sms from the opm server not depending on external SMS-services/providers

How can we setup this in a reliable way?
1.external smpp service on the opm server or
2.appsms with an andriod phone localy attached?
3. other ideas

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