Mitel 5560 IPT none Specifications download pdf (Page 143)

Emergency Services

129

Emergency Services

Emergency services such as 911 are available from most phone devices according to how the

class of service and restrictions for the phone are set. The default is to enable 911 emergency

service access.

Currently, the following devices do not fully support Enhanced 911 (E911) operation:

• Hot Desk users

• IP consoles

• Teleworker Solution users

• MiCollab Client and MiCollab Client Softphone users

• Any other mobile IP phones or phones that are carried from location to location.

Location Information

MiVoice IP Phones report network connectivity information. This information can be used to

provide location information to the Emergency Services database. When an IP phone is moved

to a new physical location the phone reports the new location information to the ICP and the

CESID directory is automatically updated.

IP phone move detection is accomplished by analyzing data reported from the Spanning Tree

Protocol/Rapid Spanning Tree Protocol or the Cisco Discovery Protocol.

Network Configuration

E911 support and Location Change Indication is provided in the IP network by identifying the

L2 port MAC address to which the IP phone is connected and cross-referencing it to a physical

location stored in the Emergency Responder database.

Notes:

1. Emergency call routing in a Teleworker environment is supported provided specific

conditions are met. For details see “Teleworker devices” on page 131.

2. For mobile phones (which do not fully support E911 operation) it is necessary to

keep the system administrator informed and the location database current when the

phone is moved if emergency services are required.

3. Subsequent to UCA Server Release 4.0, all

MiCollab Client clients and MiCollab Client

Softphones will work exclusively through the

MiCollab Client Server to establish calls.

This will enhance operation of applications on the server and reduce information

transfer and loading on the ICP. This configuration does not provide resiliency

operation for the

MiCollab Client and MiCollab Client Softphone. Therefore, if resilient

operation is required it is recommended that hard physical phones be used in parallel

with a

MiCollab Client. When MiCollab Client Softphones are used in a system, steps

should be taken to ensure that there is adequate access to devices that can still

establish external emergency calls. Follow local country or administration guidelines

for percentage of phones that require external access.

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