Avaya Communication Manager Administrator's Manual page 1416

Screen Reference
Direct IP-IP Audio Connections
Appears when the Group Type field is h.323 or sip. Allows direct audio connections between
H.323 endpoints. For SIP Enablement Services (SES) trunk groups, this is the value that allows
direct audio connections between SES endpoints.
Valid entries
y/n
DTMF Over IP
Appears when the Group Type field is sip.
Valid entries
rtp-payload
Far-end Domain
Appears when the Group Type field is sip. The number of the network region that is assigned
to the far-end of the trunk group. For example, to route SES calls within your enterprise, enter
the domain assigned to your proxy server. For external SES calling, the domain name could be
that of your SES service provider. If blank, the far-end IP address is used.
Valid entries
Max. 40
character string
blank
1416 Administrator Guide for Avaya Communication Manager
Usage
Enter to y to save on bandwidth resources and improve sound quality of
voice over IP (VoIP) transmissions.
Usage
Support for SIP Enablement Services (SES) trunks requires the default
entry of rtp-payload.
Usage
Enter the name of the IP domain for which the far-end proxy is
responsible (i.e., authoritative), if different than the near-end domain. If
the domains are the same, leave this blank.
Far-end domain is unspecified. Note that If you leave this field blank, the
system might display the following message: "Warning: unspecified
far-end IP address is vulnerable to denial of service attacks."