AASTRA SIP-DECT (Release 3.0)- OM System Manual - Installation, Administration and Maintenance EN - Manual (Page 13)

SIP–DECT OM System Manual Release 3.0 1 Overview
Aastra depl-1624/1.0 Page: 13 (241)
There is only one active OpenMobility Manager (OMM) in the system.
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If the OMM runs on an RFP, a 100 Mbit network link is required.
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If the OMM runs on a dedicated Linux x86 server, a 1 Gbit network link is required (see
also chapter 9.11.1).
In addition, a standby OMM can be configured to ensure the OMM function in case of failure
or loss of network connection. For more information on the standby OMM see chapter 9.13.
1.3.1 OMM Tasks
The OMM performs the following tasks:
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Signaling gateway (SIP <-> DECT)
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Media stream management
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Managing sync-over-air functions between RFPs
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Provides a Web service for system configuration
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Provides additional services e.g.
- LDAP based central corporate directory
- OM Application XML interface (OM AXI) for OAM&P,
messaging, alerting service and locating
- Integrated Messaging and Alerting Service (OM IMA)
- Data backup and provisioning services
- SIP–DECT XML terminal interface. This interface adapts the “XML API for
Aastra SIP Phones“ for SIP–DECT handsets. The Aastra 600d handset family (firmware
release 4.00 required) and the Aastra 650c handset are supported.