RFC 3581 PDF

The first chapters give the technical background for possible problems and their solution. Practical recommendations for the SEN small and medium platforms can be found here. Please note that while some of the guidelines are valid in general, most of them apply for Unify SME telephony systems only:. This is a problem if a NAT router is present between the two telephony endpoints. ADSL endpoint address.

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However, it is incomplete without the port information. This extension defines a new parameter for the Via header field, called "rport", that allows a client to request that the server send the response back to the source IP address and port where the request came from.

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Session Initiation Protocol (SIP) industry standards compliance



Network Configuration for VoIP Providers


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