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 1
Document Version 2016-03
PSTN/
QSIG, etc.
IP Network 2
IP Network 2
8.3.1 Avoid Multiple IP Networks
Installation Manual
287