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FAQ-How to Implement the VoIP Service of the MA5680T

Publication Date:  2012-07-25 Views:  93 Downloads:  0
Issue Description
How to implement the VoIP service of the MA5680T? 
Alarm Information
Handling Process
The two POTS ports on the ONU (GPON terminal) can be adopted to implement the VoIP service. The VoIP service is implemented through the built-in IAD of the ONU.
The IAD is an integrated access device specially for the VoIP service. After being transmitted to the IAD, the analog voice signals are sampled and converted into the digital signals through the built-in codec chip. Then, the digital signals are transmitted to the central processing chip for the DSP compression. After the compression, the signals, in the form of the RTP packets, are transmitted to the IP network.
The IAD, supporting the MGCP protocol, exchanges signaling with the softswitch and thus implements the VoIP service. The OLT in a GPON network does not process the VoIP service, but provides the transparent transmission channel. 
Root Cause