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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M3UA layer

SUA can enhance the efficiency of the network and provides a means for simpler implementations. One address is designated as the primary address to receive data. The IPSPs do not require point codes.

Automatically reroutes traffic in the case of failure or congestion. A device that converts from one protocol to another.

Defined by RFC Routing keys are defined using c ombinations of the following parameters: Each peer server serves a specific routing key.

SG is an SS7 node with a point code. Each IPSP must have its own point code.

F or more information, see M3UA management function summary. Each M3UA instance can support up to associations.

Maintains the availability status of all destinations through all routes. Peer servers can be local or remote. It is a ‘glue’ layer and its functionality is not defined by the standards. Interface to the higher and lower SS7 layers.

Tech Stuff – SIGTRAN (SS7 over IP)

Routes messages to their IP destinations. View the tutoroal of the SCTP association by which the remote peer signaling process is reachable. A standard IP layer. SCTP uses periodic heart-beat messages to confirm the status of each end point.


Needs the SCCP services. A single IP port number is used across the entire address list at an endpoint for a specific session. If you are happy it’s OK – but your browser is giving a less than optimal experience on our site. Both transport MTP3 messages. SG’s single function is to relay MTP3 messages. Allows for messages to be delivered in the order ttuorial which there were sent. You will have a warm inner glow for the rest of the day.

The primitives are described in Q. A peer server PS is a logical entity on the IP network, such as a virtual switch or a database element, that is served by one or more peer signaling processes PSPs. MTP3 routes the message back to the origination SP. A routing key defines the range of tutorjal traffic to be handled by a particular peer server.

This interface is implemented with a set of messages that the application can pass 3mua the M3UA layer on the M3u communications processor.

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

For more tutotial, see M3UA management function summary. The whole IP network is represented by a single point code that addresses the MGC at the network edge. MTP3 tutorizl from point code to point code. If multiple protocol variants network definitions or multiple upper layers must be supported on the same M3UA instance same boardan NSAP is required for each SIO value and protocol variant.


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. For more information, see M3UA service function summary. Each IP node does not require a point code. End-points exchange lists of addresses during initiation of tutoial connection. Each IP node is tutoril to have a point code and an IP address. Legal and Privacy site by zytrax web-master at zytrax Page modified: Does not need SCCP services, reducing the complexity of the node and thereby reducing cost.

The SCTP user can specify at startup time the number of streams to be supported by the association. Cannot support ISUP services. There is a one-to-one relationship between a peer server and a routing key. You could, at no charge, upgrade to a W3C standards compliant browser such as Firefox.