Cisco 2600 Series Documento tecnico

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Cisco IOS Voice, Video, and Fax Configuration Guide

Caller ID on Cisco 2600 and 3600 Series Routers

and Cisco MC3810 Multiservice Concentrators

This appendix describes Cisco IOS configuration for caller ID as supported on the Cisco MC3810

multiservice concentrator and on Cisco 2600 and 3600 series routers. It includes the following sections:

•Caller ID Overview, page 811

•Caller ID Prerequisites Tasks, page 814

•Caller ID Configuration Task List, page 815

To identify the hardware platform or software image information associated with a feature in this

appendix, use the Feature Navigator on Cisco.com to search for information about the feature or refer to

the software release notes for a specific release. For more information, see the “Identifying Supported

Platforms” section in the “Using Cisco IOS Software” chapter.

Caller ID Overview

Caller ID (sometimes called CLID or ICLID for incoming call line identification) is an analog service

offered by a central office (CO), which supplies calling party information to subscribers. Typically, the

calling party number, and sometimes the name, appears on a station (also called extension) device such

as a PC telephony software application screen or the display on a telephone. Type 1 caller ID provides

the calling party information while the call is ringing, and Type 2 caller ID provides the additional

convenience of calling number display while the recipient is on another call. In this release, Cisco

provides only Type 1 caller ID support.

The caller ID feature supports the sending of calling party information from foreign exchange station

(FXS) loop-start and ground-start ports into a caller ID equipped telephone device. The FXS port

emulates the extension interface of a private-branch exchange (PBX) or the subscriber interface for a CO

switch.

The caller ID feature supports receiving calling-party information at foreign exchange office (FXO)

loop-start and ground-start ports. The FXO port emulates a connection to a telephone and allows

connection to a PBX extension interface or (where regulations permit) a CO subscriber line.

The following are benefits of using caller ID:

•Enterprises—Caller ID is invaluable for increasing efficiency through its use in computer telephony

integration (CTI) applications, where for example, calling party information can be used to retrieve

client information from a database when a customer call is received.

Caller ID on Cisco 2600 and 3600 Series Routers and Cisco MC3810 Multiservice Concentrators

Caller ID Overview

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Cisco IOS Voice, Video, and Fax Configuration Guide

•Service Provider—In traditional telephony, caller ID is a standard service that service provider

customers expect. With the Cisco support for caller ID, service providers can offer the feature for

packet-switched Voice over IP (VoIP), Voice over Frame Relay (VoFR), and Voice over ATM

(VoATM) services.

Calling Name and Number

Figure 130 shows a hypothetical topology where users, indicated by telephone icons, receive different

types of caller-ID support depending upon whether the caller-ID information from the caller passes

through an FXO or FXS port before reaching the party who receives the call.

Figure 130 Caller ID and ANI Support

Table 56 shows how caller-ID information is received by the users in Figure 130 as follows:

•When an outbound caller-ID call is carried by a trunk with E&M or R2 signaling, the recipient sees

only the ANI calling number of the caller.

•When caller-ID information is sent from an originating FXS station by way of the PSTN, the

recipient sees only the identification of the FXO port through which the call is routed.

•When caller-ID information is sent from an originating station over a trunk with E&M or R2

signaling and through the PSTN, the recipient sees only the trunk identification because the ANI

information is not preserved by the PSTN.

User A

User E

User D

FXS

PBX

Trunk

(E&M/R2)

Trunk

Trunk (with ANI support)

FXS

FXO 408 555-1111

408 555-2222

FXO

User B

User G

User C

User F

PSTN

VoIP, VoFR,

or VoATM

VoIP, VoFR,

or VoATM

31460

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Cisco IOS Voice, Video, and Fax Configuration Guide

Call Time Display

When caller-ID information is sent, the local time set on the router is transmitted with the station name

and number. If a call received on an FXO port is terminated on an FXS port, the calling time received

on the FXO port is replaced by the local time while transmitting caller ID to the FXS port. This is also

true for calls received from thenetwork. The router should be configured to retrieve network time at boot

up from an NTP server in order to maintain the correct local time setting.

For more information about voice configuration, refer to the following:

•Cisco IOS IP Routing Configuration Guide

•Cisco IOS Wide-Area Networking Configuration Guide

The following online feature documentation and installation guides describe the configuration and

installation of hardware components:

•For information about installing Cisco MC3810 multiservice concentrators, see Cisco MC3810

Multiservice Concentrator Hardware Installation at the following location:

http://www.cisco.com/univercd/cc/td/doc/product/access/multicon/3810hwig/index.htm

•For information about installing Cisco 2600 series routers, see the documents listed at the following

location: http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis2600/index.htm

•For information about installing Cisco 3600 series routers, see the documents listed at the following

location: http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis3600/index.htm

Table 56 Caller-ID Information Received

User

Originating

Call

User

Receiving

Call Caller-ID Information Received

A D D receives the caller ID of the PSTN subscriber line only (408 555-1111).

D A A receives the calling number and name of D, provided that the PSTN

subscriber line (408 555-1111) is enabled for Caller ID.

D B B receives the calling number and name of D, provided that the PSTN

subscriber line (408 555-1111) is enabled for Caller ID.

B D D receives the caller ID of the PSTN subscriber line only (408 555-2222).

B E E receives the Calling Number and Name string of B.

B G G receives the Calling Number and Name string of B.

E B B receives the Calling Number and Name string of E.

F C C receives the Calling Number of F.

C F Calling Number of C.

D C C Receives Calling Number of D through ANI.

C D Calling Number of C goes through ANI to the PSTN. However, the PSTN

displays only the trunk ID, so D sees only this information.

C F The information that F receives depends on the PBX features available.

Caller ID on Cisco 2600 and 3600 Series Routers and Cisco MC3810 Multiservice Concentrators

Caller ID Prerequisites Tasks

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Cisco IOS Voice, Video, and Fax Configuration Guide

Caller ID Prerequisites Tasks

The following hardware, software, and basic configurations are required to support caller ID:

•Cisco IOS Release 12.1(3)T software.

•Caller ID service from your service provider.

•A working network. For more information, see the following publications:

–

Cisco IOS Cisco IOS IP Routing Configuration Guide

–

Cisco IOS Wide-Area Networking Configuration Guide

•Your company’s dial plan.

•A working telephony network based on your company’s dial plan:

•If applicable to your network, install a 2-channel analog plain old telephone service (POTS) FXS

voice interface card (VIC) in a Cisco 2600 series chassis slot or Cisco 2600 or 3600 network module.

•If applicable to your network, install one of the following Cisco MC3810 multiservice concentrator

FXO network modules:

–

MC3810-APM-FXO (generic); caller ID is supported in versions v04.xx and later of this APM.

–

MC3810-FXO-PR2 (Pacific Rim 2); caller ID is supported in versions v02.xx and later of this

APM.

–

MC3810-FXO-PR3 (Pacific Rim 3); caller ID is supported in versions v02.xx and later of this

APM.

–

MC3810-FXO-UK (UK); caller ID is supported in versions v03.xx and later of this APM.

–

MC3810-FXO-GER (Germany); caller ID is supported in versions v03.xx and later of this

APM.

•For a Cisco MC3810 multiservice concentrator, install an HCM as follows:

–

An HCM2 to supply 4 or 8 voice or fax channels at high or medium codec complexity.

–

An HCM6 to supply 12 or 24 voice or fax channels at high or medium codec complexity.

•For information about installing Cisco MC3810 multiservice concentrator HCMs, refer to Cisco

MC3810 Multiservice Concentrator Hardware Installation at the following url:

http://www.cisco.com/univercd/cc/td/doc/product/access/multicon/3810hwig/index.htm

Note The Cisco MC3810 multiservice concentrator voice-compression module does not

support caller ID. Install an HCM instead.

•One other network module or WAN interface card to provide the connection to the LAN or WAN.

Note Specific hardware is required to provide full support for the Caller ID features. To

determine support for these features in your configuration, review the appropriate hardware

documentation and data sheets. This information is available on Cisco.com.

Caller ID on Cisco 2600 and 3600 Series Routers and Cisco MC3810 Multiservice Concentrators Caller ID Configuration Task List

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Cisco IOS Voice, Video, and Fax Configuration Guide

Caller ID Configuration Task List

Voice-port configuration is the only special configuration required to support caller ID. To configure

your voice network fully, use the reference information in the section “Caller ID Prerequisites Tasks”

section on page 814 to perform the following tasks on your routers:

•Configure your IP, ATM, or Frame Relay network to support real-time voice traffic.

•Configure voice cards for codec settings.

•Configure voice dial peers. Each dial peer defines the characteristics associated with a call leg.

The remainder of this section describes the steps required to configure caller ID on FXS and FXO voice

ports.

Configuring Voice Ports to Support Caller ID

To configure voice ports to support caller ID, use the following commands beginning in global

configuration mode:

Command Purpose

Step 1 Router(config)# voice-port slot/port

Router(config)# voice-port

slot-number/subunit-number/port

Enters voice-port configuration mode on a

Cisco MC3810 multiservice concentrator. The slot

number for analog voice ports on the Cisco

MC3810 multiservice concentrator is always 1.

There is no port 0 for voice ports.

Enters voice-port configuration mode on a

Cisco 2600 or 3600 series router.

Step 2 Router(config-voiceport)# connection {plar | tie-line

| plar-opx} digits {trunk digits [answer-mode]} Specifies the voice-port connection type and the

destination telephone number. The keywords and

arguments are as follows:

•plar—Specifies private line automatic

ringdown.

•tie-line—Specifies a tie-line connection to a

PBX.

•plar-opx—Specifies a PLAR off-premises

extension (the local voice port provides a local

response before the remote voice port receives

an answer).

•trunk—Specifies a straight tie-line

connection to a PBX.

•answer-mode—Indicates whether a trunk

connection is specified. The router should not

attempt to initiate a trunk connection, but

should wait for an incoming call before

establishing the trunk.

•digits—Specifies the destination telephone

number.

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The following table lists the options that may be used for the locale variable with the cptone command.

Step 3 Router(config-voiceport)# voice confirmation-tone Enables the two-beep confirmation tone that a

caller hears when picking up the handset, if

connection plar or connection plar-opx is

configured.

Step 4 Router(config-voiceport)# dial-type {dtmf | pulse}(For FXO ports only) Selects the appropriate dial

type for out-dialing.

Step 5 Router(config-voiceport)# signal {loop-start |

ground-start}Selects the appropriate signal type for this

interface.

Step 6 Router(config-voiceport)# codec {g729r8 | g729ar8 |

g726r32 | g711alaw | g711ulaw}(Cisco MC3810 multiservice concentrator only)

Configures the voice-port compression mode. The

g729ar8 value is the default and is recommended.

Note On Cisco 2600 and 3600 series routers,

codec configuration is performed on dial

peers. On all supported routers, codec

command options may vary depending

upon the voice card settings.

Step 7 Router(config-voiceport)# cptone locale Selects the appropriate voice call progress tone for

this interface. Caller ID requires this setting. The

caller ID standard (Bellcore/Telcordia, ETSI,

ETSI-DTMF) is determined by this command.

On the Cisco MC3810 multiservice concentrator,

the default setting for locale is northamerica. On

Cisco 2600 and 3600 series routers, the default

setting for locale is us.

See Table 57 on page 816 for a list of options.

Step 8 Router(config-voiceport)# ring frequency {25 | 50}(Required on Cisco 2600 and 3600 series routers

FXS ports only) Selects the appropriate ring

frequency (in hertz) specific to the equipment

attached to this voice port.

Step 9 Router(config-voiceport)# caller-id attenuation

attenuation (Optional on FXO ports only) Specifies an

attenuation other than the default of 14 dB (minus

14 dBm), enter a value of from 0 to 64, in decibels.

Step 10 Router(config-voiceport)# ring number number (Required on Cisco 2600 and 3600 series routers

FXO ports only) Specifies the maximum number

of rings to be detected before answering a call.

Command Purpose

Table 57 cptone Command Entries for the Cisco 2600 and 3600 Series

Command Option Country Command Option Country

ar Argentina lu Luxembourg

au Australia my Malaysia

at Austria mx Mexico

be Belgium nl Netherlands

Caller ID on Cisco 2600 and 3600 Series Routers and Cisco MC3810 Multiservice Concentrators Caller ID Configuration Task List

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Cisco IOS Voice, Video, and Fax Configuration Guide

br Brazil nz New Zealand

ca Canada no Norway

cn China pe Peru

co Colombia ph Philippines

cz Czech Republic pl Poland

dk Denmark pt Portugal

fi Finland ru Russian Federation

fr France sg Singapore

de Germany sk Slovakia

gr Greece si Slovenia

hk Hong Kong za South Africa

hu Hungary es Spain

is Iceland se Sweden

in India ch Switzerland

id Indonesia tw Taiwan

ie Ireland th Thailand

il Israel tr Turkey

it Italy gb Great Britain

jp Japan us United States

kr Korea Republic ve Venezuela

Table 57 cptone Command Entries for the Cisco 2600 and 3600 Series (continued)

Command Option Country Command Option Country

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Caller ID Configuration Task List

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Cisco IOS Voice, Video, and Fax Configuration Guide

Configuring FXS and FXO Voice Ports to Support Caller ID

To configure caller-ID on FXS and FXO voice ports, use the following commands beginning in global

configuration mode:

Command Purpose

Step 1 Router(config)# caller-id enable Enables caller ID. This command applies to FXS

voice ports that send caller-ID information and to

FXO ports that receive it. By default caller ID is

disabled.

Note If the station-id or a caller-id alerting

command is configured on the voice port,

these automatically enable caller ID, and the

caller-id enable command is not necessary.

Step 2 Router(config-voiceport)# station-id name name Configures the station name on FXS voice ports

connected to user telephone sets. This sets the

caller-ID information for on-net calls originated by

the FXS port. You can also configure the station name

on an FXO port of a router for which incoming Caller

ID from the PSTN subscriber line is expected. In this

case, if no caller-ID information is included on the

incoming PSTN call, the call recipient receives the

information configured on the FXO port instead. If

the PSTN subscriber line does provide caller-ID

information, this information is used and the

configured station name is ignored.

The name argument is a character string of 1 to 15

characters identifying the station.

Note This command applies only to caller-ID calls,

not Automatic Number Identification (ANI)

calls. ANI supplies calling number

identification only.

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Step 3 Router(config-voiceport)# station-id number number Configure the station number on FXS voice ports

connected to user telephone sets. This sets the

caller-ID information for on-net calls originated by

the FXS port.

You can also configure the station number on an FXO

port of a router for which incoming caller ID from the

PSTN subscriber line is expected. In this case, if no

caller-ID information is included on the incoming

PSTN call, the call recipient receives the information

configured on the FXO port instead. If the PSTN

subscriber line does provide caller-ID information,

this information is used and the configured station

name is ignored.

If the caller-ID station number is not provided by

either the incoming PSTN caller ID or by the station

number configuration, the calling number included

with the on-net routed call is determined by Cisco

IOS software by using a reverse dial-peer search. In

this case, the number is obtained by searching for a

POTS dial-peer that refers to the voice-port and the

destination-pattern number from that dial-peer is

used.

number is a string of 1 to 15 characters identifying the

station telephone or extension number.

Step 4 Router(config-voiceport)# caller-id block (FXS ports only) When this command is configured at

the originating end of a call, it requests that the

originating calling party information not be displayed

at the called party's telephone.

Note The calling party information is included in

the routed on-net call, as this is often required

for other purposes, such as billing and call

blocking. The request to block display of the

calling party information on terminating FXS

ports will normally be accepted by Cisco

routers, but no guarantee can be made

regarding the treatment by other equipment.

This command affects all calls sent to an FXO station

from the configured FXS station. The central office

(CO) may supply a feature code that a user can dial in

order to block caller-ID transmission on a call-by-call

basis.

When a blocked-information call passes through an

FXO interface on the way to its destination, the

blocking is passed on to the receiving party.

Command Purpose

Caller ID on Cisco 2600 and 3600 Series Routers and Cisco MC3810 Multiservice Concentrators

Caller ID Configuration Task List

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Cisco IOS Voice, Video, and Fax Configuration Guide

To configure the alerting method, use the following commands beginning in global configuration mode.

Configuration of the alertingmethod is requiredwhen the caller ID standard, specified by locale through

the cptone command, is other than Bellcore/Telcordia (if you do not configure the alerting method, the

default caller-id alerting ring 1 command is applied). The command that you enter is determined by the

Bellcore/Telcordia or ETSI standard that your service provider uses for caller ID. For more information

about standards, see the Caller ID Prerequisites Tasks, page 814 section.

Command Purpose

Step 1 Router(config)# voice-port slot/port

Router(config)# voice-port

slot-number/subunit-number/port

Enters voice-port configuration mode on a Cisco

MC3810 multiservice concentrator. The slot

number for analog voice ports on the Cisco

MC3810 multiservice concentrator is always 1.

There is no port 0 for voice ports.

Enters voice-port configuration mode on a Cisco

2600 or 3600 series router.

Step 2 Router(config-voiceport)# caller-id

alerting ring {1| 2}Configure this command on FXO ports where

caller ID information is received from a subscriber

telephone line. and on FXS voice ports from which

caller ID information is transmitted to an attached

telephone device.

Compatible settings are required on both ends of

the telephone line connection or caller ID

information may not be displayed.

Enter 1if your telephone line service provider or

telephone device specifies it, to provide or expect

caller ID information following the first ring at the

receiving station. This is the default setting.

Enter 2 to provide or expect caller-ID information

during the long ring pause following two short

rings. This setting is used in Australia and the

United Kingdom.

Step 3 Router(config-voiceport)# caller-id alerting

line-reversal (FXS ports only) Configure this setting only when

the attached telephone device requires line polarity

reversal to signal the start of caller-ID information

transmission.

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