# Overview Quick Reference

This section provides a complete inventory of all statistics monitored by MaaS for TelcoBridges ProSBC and TMG deployments.

## What Gets Monitored

MaaS automatically discovers and monitors your entire TMedia infrastructure through a combination of static and auto-discovered metrics:

| Category                   | Description                                                |
| -------------------------- | ---------------------------------------------------------- |
| **Global Statistics**      | System-wide call metrics, licensing, and config backup     |
| **NAP Statistics**         | Per-trunk metrics for each configured Network Access Point |
| **Host Statistics**        | Per-server CPU, RAM, disk, and operational state           |
| **Application Statistics** | Per-process health and HA state                            |
| **Ethernet Ports**         | Per-port traffic and error counters (ProSBC)               |
| **IP Interfaces**          | Per-interface availability, link status, and throughput    |
| **Hardware Adapters**      | Media gateway card status and utilization                  |
| **TDM Interfaces**         | E1/T1, DS3, and STM-1 line statistics                      |
| **H.248 Gateway**          | MGC connections and fixed terminations                     |
| **SS7/M2UA Signaling**     | Link and peer states                                       |
| **Firewall**               | DDoS detection, CPU, and scheduling status                 |

## Critical Alarms Quick Reference

### Disaster Level (P1)

| Alarm                       | Description                              | Impact                                            |
| --------------------------- | ---------------------------------------- | ------------------------------------------------- |
| **No Status Data Received** | No data from TMedia API for 125+ seconds | Complete monitoring blackout — all states unknown |

### High Level (P2)

| Alarm                    | Scope             | Description                             |
| ------------------------ | ----------------- | --------------------------------------- |
| Hardware Unit Down       | Per Adapter       | Physical media gateway card offline     |
| M2UA Peer Down           | Per M2UA Peer     | SS7 signaling peer connection lost      |
| Host Down                | Per Host          | TMedia host server offline              |
| NAP Registration Failed  | Per NAP (SIP)     | SIP trunk registration failure          |
| Application CPU 95%      | Per Application   | Application critical CPU usage          |
| File System 95%          | Per Host          | Disk space critical                     |
| RAM Usage 95%            | Per Host          | Memory critical                         |
| MaaS Call Limit Exceeded | Global            | Active call legs exceed MaaS limit      |
| License Limit in Danger  | Global            | Call legs approaching licensed capacity |
| Ethernet Port Down       | Per Ethernet Port | Physical Ethernet port is offline       |

### Average Level (P3)

| Alarm                       | Scope           | Description                             |
| --------------------------- | --------------- | --------------------------------------- |
| Application CPU 80%         | Per Application | Application elevated CPU usage          |
| File System 80%             | Per Host        | Disk space elevated                     |
| TDM Line Bouncing           | Per E1/T1 Line  | More than 4 state changes in 1 hour     |
| Scheduling Problem          | Per Host        | Host has scheduling problems            |
| Firewall DDoS Alarm         | Per Host        | Firewall detected potential DDoS attack |
| Firewall Scheduling Problem | Per Host        | Firewall has scheduling problems        |
| Dump File Detected          | Per Host        | Core or crash dump file present on disk |

### Warning Level (P4)

| Alarm                       | Scope   | Description                             |
| --------------------------- | ------- | --------------------------------------- |
| NAP Down                    | Per NAP | NAP availability dropped to 0%          |
| NAP Congestion              | Per NAP | NAP experiencing congestion             |
| Nearing Call License Limit  | Global  | Call legs over 80% of licensed capacity |
| Backup Configuration Failed | Global  | Configuration backup process failed     |

### Information Level

| Alarm                               | Scope           | Description                              |
| ----------------------------------- | --------------- | ---------------------------------------- |
| TDM State Change                    | Per E1/T1 Line  | Line state changed                       |
| RAM Usage 80%                       | Per Host        | Elevated memory usage                    |
| Reboot Required                     | Per Host        | Host requires a reboot                   |
| Core Application Switchover         | Per Application | Core App HA state changed Active/Standby |
| MaaS Call Limit over 90%            | Global          | Call volume approaching MaaS limit       |
| Active Configuration Changed        | Global          | Active configuration change detected     |
| Configuration Successfully Received | Global          | Configuration backup completed (nightly) |

## Metric Count Summary

| Category            | Items per Entity |
| ------------------- | ---------------- |
| Global Statistics   | 25 items         |
| Per NAP             | 29 items         |
| Per Host            | 20 items         |
| Per Application     | 3 items          |
| Per Ethernet Port   | 5 items          |
| Per IP Interface    | 6 items          |
| Per Adapter         | 5 items          |
| Per H.248 Stack     | 9 items          |
| Per M2UA Link       | 2 items          |
| Per M2UA Peer       | 1 item           |
| Per E1/T1 Line      | 9 items          |
| Per DS3 Interface   | 8 items          |
| Per STM-1 Interface | 9 items          |
| Firewall (per host) | 6 items          |

## Data Collection

MaaS collects data from your TMedia systems via the REST API:

| Data Type               | Collection Interval | Retention          |
| ----------------------- | ------------------- | ------------------ |
| Real-time status        | Every minute        | 7 days (raw)       |
| Configuration discovery | Every 24 hours      | 1 day              |
| Audit logs (if enabled) | 20 minutes / daily  | 10 days / 365 days |


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