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IP Office Product Description

IP Office 4.2

Page 69

Issue 18.b.- (08 July 2008)

Wireless - Avaya IP DECT

The IP DECT solution delivers the productivity-boosting benefits of IP and wireless communications across

multiple offices in a convenient, lightweight handset. It provides businesses with a highly functional wireless

solution with the ability to scale to support large numbers of users. This system also supports users in

different offices connected via a WAN. The Avaya IP DECT solution radio fixed part (RFP) or base station

connects to the IP Office using an IP protocol based on H.323.

The Avaya IP DECT solution supports up to 120 handsets and 32 base stations. Each base station can be

powered over the LAN using the Power over Ethernet (PoE) standard. Each indoor base station can also

optionally be connected to main power via an external power adaptor. Each outdoor base station can only be

powered using PoE - no individual power supplies are available to power the outdoor IP DECT base station.

In EMEA and APAC this system supports the 3701 and 3711 handsets.

In North America, only the 3711 handset is supported.

Avaya recommends that for new deployments, for full feature functionality the 3711 handset be used with the

IP DECT solution.

Note: The regulatory requirements for the radio part (base station and Handset) are slightly different in the US

and Canada compared to EMEA and APAC. Therefore, while providing the same functionality, the hardware is

different in these two regions.

Each Base station has the following features:

· 8 simultaneous Voice and up to 12 Signaling Channels.

· Codec G.711, G.723, G.729 for base station IP trunk connection.

· Handover

While in motion, the handset performs continuous measurements to determine which IP DECT base

station has the strongest signal. The one that can be best received is defined as the active Base station.

To prevent the handset from rapidly switching back and forth between two base stations that are

equally well received, threshold values are used. Handover between base stations occurs seamlessly

whether a call is active or not.

· DECT Networking

An IP DECT telephone can travel from one office to another which is connected over a wide area

network (WAN) link and make and take calls. In this scenario the main IP DECT controller remains at

one “headquarters” location.

Given the degree of integration available to wireless users with DECT, there are a variety of means by which

calls can be routed to wireless handsets:

· DDI/DID

Since each wireless handset is an extension on the IP Office system calls may be routed directly using a

DDI/DID number.

· Transfer

Calls may be transferred to DECT extensions by operators or other extension users and DECT extension

users may transfer callers to any other extension user.

· Hunt Group compatibility

Wireless handsets may be programmed as members of groups and answer calls in the same manner as

any other extension within that group.

· Group working

Wireless handsets may be programmed as members of groups and attract calls in the same manner as

any other extension within that group. DECT handsets must NOT be configured into collective groups.

· Divert destination

Users may initiate any or all diverts from an Avaya desk phone to a wireless handset.

· Twinning

Twinning allows calls to a user main extension number to alert at both that extension and a secondary

extension. Though not restricted to DECT, this feature is aimed primarily at users who have both a desk

phone and a wireless extension. Calls from the secondary twinned extension are presented as if from

the users main extension. Presentation of call waiting and busy is based on whether either of the

twinned extensions is in use. In North America this functionality became available in Release 4.0.7.

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