Aastra SIP-DECT User's Guide download pdf (Page 14)

Compendium: OM SIP – DECT Solution Large SIP-DECT System

DECT cluster number for RFPs that are deployed e.g. to a different building where

the distance prevents overlapping radio coverage. Also configure one RFP per

DECT cluster as the Preferred synchronization source, preferably an RFP that is

located in the middle of the radio domain.

>OM System Manual:

RFP Export File Format

For a larger RFP deployment, you should prepare a list of RFPs, their names

together with their MAC addresses. Also, a map or building plan that indicates the

RFP mounting positions may be helpful. The list of RFPs in CSV format can be

imported via OMP or on the Radio Fixed Parts page of the OMM Web service.

Exporting this list is only supported in the OMP Java tool.

>OM System Manual:

RFP Configuration Files

You can use a de-centralized configuration method that utilizes configuration files

directly queried by the RFPs during startup. You can use this method e.g. with

script generated configuration files.

>OM System Manual:

“Paging areas” Menu

For a large SIP-DECT 4.0 system, consider to define paging areas to keep the sig-

nalling traffic separated in the different areas.

Enable Hi-Q audio (CAT-iq)

The current RFPs support Hi-Q audio (via wideband speech according to CAT-iq)

for use with Aastra 650c DECT handsets. To manage this feature, RFPs can be

assigned to different sites. You can enable or disable the Hi-Q Audio Technology

switch per site. When assigning RFPs to sites, please consider the following rules:

■ Only current RFPs should be assigned to a Hi-Q-enabled site.

■ You should assign all RFPs with the same cluster number to the same site.

■ You also can assign RFPs with different cluster numbers to the same site, but

you should refrain from assigning different sites to RFPs of the same cluster.

Basically, this means that a handover between a Hi-Q-enabled (current) RFP and an

(older) Hi-Q-disabled RFP is not possible. If you operate one older RFP in a cluster,

you should therefore assign all RFPs of that cluster to a site with the Hi-Q feature

disabled.

To configure the Hi-Q feature, you need to add a site configuration with the fol-

lowing steps:

1. Navigate to Sites page of the OMM Web service or OMP Java tool.

2. If you plan to use Hi-Q audio throughout all RFPs, change the “default” site

entry and enable the Hi-Q Audio Technology option. You may also change

the name of the site entry, e.g. to “Hi-Q enabled site”.

If you plan to use a mixed configuration of older and current RFPs, add at least

one site entry, e.g. a site entry named “Hi-Q disabled site”. Disable the Hi-Q

Audio Technology option for this site entry.

3. Navigate to the Radio fixed parts page. Change the Site assignment for all

RFPs with the same cluster number either to “Hi-Q enabled site” or to “Hi-Q

disabled site”.

Note

You cannot combine a Hi-Q audio with DECT XQ audio within the same

connection. Depending on the Aastra 650c operation mode, either Hi-Q audio or

DECT XP audio is used (refer to the OM System Manual for details). Also note, that

Hi-Q audio doubles the required DECT air capacity, thus only 4 Hi-Q audio

connections per RFP are possible. For connections to external SIP devices, the

G.722 (wideband) audio codec is supported for Hi-Q audio.

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Aastra SIP-DECT User's Guide Page 14

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