iPECS eMG80/100& eMG800 & UCP & vUCP
Administration and Programming Manual Issue 2.5
269
4.3.12 Zone Data – PGM 436 - 441, 444
Zone data is a tool employed to easily manage the characteristics of groups of devices under the control of an
MPB. Often, devices are installed in groups with common characteristics. Such devices can be grouped into a
Zone to define common characteristics, including Country Code, DSCP, RTP packet handling, etc. Common
attributes are defined at the device, Zone, and Inter-zone levels. Device settings have priority over Zone
settings, while Zone settings have priority over system settings.
Generally, the transport of RTP packets should be peer-to-peer communication over either a LAN or VPN. If
iPECS devices are separated by a NAPT server or direct peer-to-peer communications are not available,
packet relay must be employed to assure communication. In packet relay, RTP packets are received by a local
VoIP channel (MPB or VOIB), which is under control of the MPB, and the IP address is translated from public
to the device’s private address.
The VoIP channels implement a secure channel using the IPSec protocol. Devices can be assigned as part of
an “RTP Relay group” to use the same VoIP channels to implement the relay of RTP packets. Packet relay
groups also provide for conversion of multi-cast packets from the MPB to uni-cast and back again at the group
level to multi-cast. Note packet relay requires an MPB or VoIP channel to be available locally for each
simultaneous call that requires packet relay. Programs 436 to 441 define device zone assignments and zone
configurations. These programs are available only in Web admin. Holiday and Vacation assignments for each
zone are defined in Program 444.
4.3.12.1 Zone Holiday Assignment – PGM 444
The holidays and vacation day intervals for each zone can be established to define a specified Service mode
(Day, Night, and Timed) and up to 40 holidays and 5 vacation intervals.
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