SIGTRAN Stack; SCTP Overview; M2PA Adaption Layer; M2UA Adaption Layer; M2UA vs M2PA Adaption; M3UA Adaption Layer; SUA. M3UA. M3UA is a protocol for interfacing legacy SS7 networks with IP. M3UA – MTP3 User Adaptation Layer . . M3UA protocol tutorial. We have got understanding of sigtran. Sigtran have M3UA adaptation layer for sending and receiving ss7 messages.

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Maintains the availability status of m3ka destinations through all routes. A single IP port number is used across the entire address list at an endpoint for a specific session.

Needs the SCCP services. In case of network failures, use of more than one address can allow re-routing of packets, and also provide an alternate path for retransmissions.

There is a one-to-one relationship between a peer server and a routing key. Cannot support ISUP services. View the status of the SCTP association by which the remote peer signaling process is reachable. The primitives are described in Q.

M3UA – Wikipedia

Each IPSP must have its own point code. It is a ‘glue’ layer and its functionality is not defined by the standards.


For more information, see M3UA service function summary. Routes messages to their IP destinations. Allows for multiple virtual connections on the same physical line. Interface to the tutorjal and lower SS7 layers.

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Please take the time from a busy life to ‘mail us’ at top of screenthe webmaster below or info-support at zytrax. Routing keys are defined using c ombinations of the following parameters: Each user application might be assigned its own stream virtual connection. SCTP uses periodic heart-beat messages to confirm the status of each end point.

M3UA layer

End-points exchange lists of addresses during initiation of the connection. SG is not an SS7 node and has no point code. Does not need SCCP services, reducing the complexity of m3ia node and thereby reducing cost. Allows for messages to be delivered in the order in which there were sent.

You could, at no charge, upgrade to a W3C standards compliant browser such as Firefox. For more information, see M3UA management function summary.


A routing key defines the range of signaling traffic to be handled by a particular peer server.

Dialogic NaturalAccess SIGTRAN Stack Developer’s Reference Manual (): M3UA layer

Each NSAP is associated with a service indicator field tutorjal protocol variant combination. Defined by RFC SUA can enhance the efficiency of the network and provides a means for simpler implementations. Each IP node is required to have a point code and an IP address.

M3UA uses a flexible configuration capable of supporting a wide variety of network routing and addressing requirements. The whole IP network is represented by a single point code that addresses the MGC at the network m3uz. SG can have upper SS7 layers, e. Automatically reroutes traffic in the case of failure or congestion. Each M3UA instance can support up to associations. This local PSP is created automatically, not configured.