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ESI Communications Servers Programming Manual

• Conference calling — Includes up to 64 dynamic conference ports; a single conference may contain up to

16 members.

Conference bridges are dynamic, so possible conference sizes include: 21 three-member; 16

four-member; 10 six-party; and various combinations in-between. Analog phones on the system also may

originate conferences.

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• Esi-Dex

speed-dialing — Calls any number using four separate lists (personal, station, system and —

when Esi-Link is in use — cabinet location); uses Caller ID information or direct keypad entries.

• Dedicated overhead paging interface — Allows for external paging through overhead speakers or multi-

zone paging units (amplification required) and separate, vendor-supplied zone page adapters.

• Intelligent Call Forwarding

data of a call forwarded to an off-premises phone.

• 911 alert — Provides immediate line access if any station

message via the serial port indicating the start date, time, station number and end-time of the 911; also

sounds an audible warning at the operator station and displays, for example:

911 CALL FROM

X102 JOHN JAMES

Important: Remember to advise your customers not to make 911 calls using a remote IP phone.

phone isn't connected directly to the local telephone network, it's necessary instead to use a regular

phone connected locally, not the remote IP phone, to make 911 or other emergency calls. (For more

information, see the documentation included with the remote IP phone.)

• Shared-office tenanting — Tenant service allows multiple business entities to share a telephone system while

maintaining separation of various facilities and features. For more details, see "Shared-office tenanting," page A.4.

• Support for these options:

–

Esi-Link — Allows a multi-site enterprise to network any combination of dozens of compatible ESI systems

across an IP-based network. For details, see the Esi-Link Product Overview (ESI document # 0450-0214).

Notes: The ESI-50 uses only the G.726 speech compression algorithm and, therefore, can be in an Esi-Link

network with only other ESI Communications Servers set to G.726 (in Function 835; for details, see

page M.11).

ESI's IVX

software version 16.2.0), use only the G.729 speech compression algorithm; thus, an ESI-50 cannot

be in an Esi-Link network with these systems.

–

Unified communications

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• VIP

— Provides a value-added interface to all ESI Communications Servers. Delivers call control and

unified messaging to Microsoft

(ESI document # 0450-0608) and VIP ACD Product Overview (ESI document # 0450-0988).

• ESI Mobile Messaging

messages as e-mail attachments. Can be used with VIP for even better voice mail management.

–

ESI Presence Management — Provides integrated building entry control, access control, status

indication, personal call routing, and (optionally) time and attendance management. For details, see

the ESI Presence Management Product Overview (ESI document # 0450-0794).

–

ESI Cellular Management — Part of ESI Bluetooth Voice Integration, ESI Cellular Management provides

unique hardware and features to bridge the gap between cellular handsets and ESI's line of Feature Phones.

For details, see the ESI Bluetooth Voice Integration Product Overview (ESI document # 0450-1173).

–

SIP trunking

— Used with an Internet telephony service provider, allows connection to the PSTN via the

Internet using the SIP (Session Initiation Protocol) VoIP standard.

See "System capacities" (page B.1).

An ESI Remote IP Cordless Handset (II or original) sends 911 calls via the local analog CO line attached to the Cordless Handset's base station.

The 911 alert information isn't available at the operator station or via serial port.

A remotely installed IP Feature Phone II, a Remote IP Cordless Handset, or a remote installation of VIP Softphone.

Requires ESI Communications Server with specific hardware and software. See the ESI Mobile Messaging Installation Guide (ESI # 0450-1231).

Requires ESI Communications Server with specific hardware and software. See the ESI SIP Trunking Installation Guide (ESI # 0450-1227).

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— Lets users of compatible PRI-equipped ESI systems view the original Caller ID

X-Class and IVX E-Class systems, as well as the original ESI-600 (prior to system

Outlook

2000/2002/2003/2007. For details, see the VIP Product Overview

— Delivers unified messaging to any e-mail client. Allows receiving voice mail

A.2

dials 9 1 1 to report an emergency; sends a

General description

Because such a