Panasonic KX-NS700 - CO Lines; Avoid Multiple IP Networks

8.3 H.323 CO Lines
This
section explains information that is necessary for setting up an H.323 QSIG network over an IP network.
8.3.1 Avoid Multiple IP Networks
A huge degradation in speech quality will be produced when calls are made through multiple IP networks as
shown below; therefore, it is recommended that you avoid establishing a VoIP network in this fashion.
IP Network 1 IP Network 2
PSTN/
QSIG, etc.
IP Network 1 IP Network 2
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8.3.1 Avoid Multiple IP Networks