Algo 8180 User Manual page 21

Paging/PTT Mode
Zone
Default Channel
The 8180 may receive or broadcast multicast
paging compatible with Polycom* phones on
premise group paging protocol.
The 8180 may be configured as a slave to play
Polycom page announcements, or as a master
to generate page announcements to Polycom
phones.
When using a Polycom phone as the paging
source, the Polycom phone must be set to use
the G.711 or G.722 audio codec. Note that the
Polycom phone must be configured with the
"Compatibility" setting ("ptt.compatibilityMode")
disabled in order for this codec setting to be
applied.
Enter the same Multicast IP Address & Port
number as configured on the Polycom phones.
This is the target group in a Polycom paging
environment. Note that you must also use the
zone definitions above to select a multicast
address, and that this address must match with
the one configured on the Polycom phone.
*Polycom is a trademark of Polycom Inc.
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