OmniPCX Enterprise
INSTALLATION PROCEDURE FOR VERSION
J1.410.34.c – RELEASE 10.0
Ed. 02 / 22 June 2011 27 TC1449
• In mixed configurations, ie with IP connections between NGP and GD/INTIP boards, only a
single compression & decompression is authorized in case G723 is used, due to delay
considerations. In case of G729, a double compression & decompression will correspond to a
MOS of 3.4. In this last case, configurations with more compression & decompression will lead
to a one way delay higher than 200 ms and thus are not authorized.
• In case of TDM link between two nodes, in order to limit the number of
compression/decompression when sets of both nodes are involved in MyTeamwork conferences
(and keep an acceptable voice quality), it is required to use G711 between the TDM link and
MyTeamwork server (mandatory rule).
• The table takes into account configurations using the G723/G729 compression/decompression
algorithm or configurations that do not use compression or which are in G711.
• With the IP rack server, there are considered to be at least two IP items of equipment (1 GD + 1
IP Phone or 2 GDs).
• SIP is not authorized in configurations if the Direct RTP is disabled.
• The internode VoWLAN calls (via VoIP hybrid link) are not authorized if the Direct RTP is
disabled.
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