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Customizing the Cisco Unified IP Phone

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Table Of Contents

Customizing the Cisco Unified IP Phone

Customizing and Modifying Configuration Files

Creating Custom Phone Rings

Ringlist.xml File Format Requirements

PCM File Requirements for Custom Ring Types

Configuring a Custom Phone Ring

Creating Custom Background Images

List.xml File Format Requirements

PNG File Requirements for Custom Background Images

Configuring a Custom Background Image

Configuring Wideband Headset Codec

Configuring the Idle Display

Automatically Disabling the Cisco Unified IP Phone Touchscreen


Customizing the Cisco Unified IP Phone


This chapter explains how you customize configuration files, phone ring sounds, background images, and the idle display at your site. Ring sounds play when the phone receives a call. Background images appear on the phone's LCD screen. The idle display appears on the LCD screen when the phone has not been used for a designated period.

This chapter includes these topics:

Customizing and Modifying Configuration Files

Creating Custom Phone Rings

Creating Custom Background Images

Configuring Wideband Headset Codec

Configuring the Idle Display

Automatically Disabling the Cisco Unified IP Phone Touchscreen

Customizing and Modifying Configuration Files

You can modify configuration files (for example, edit the xml files) and add customized files (for example, custom ring tones, call back tones, phone backgrounds) to the TFTP directory. You can modify files and add customized files to the TFTP directory in Cisco IPT Platform Administration, from the TFTP Server File Upload page. Refer to Cisco IP Telephony Platform Administration Guide for information about how to upload files to the TFTP folder on a Cisco Unified CallManager server.

You can obtain a copy of the Ringlist.xml and List.xml files from the system using the following admin command-line interface (CLI) "file" commands:

admin:file

file list*

file view*

file search*

file get*

file dump*

file tail*

file delete*

Creating Custom Phone Rings

The Cisco Unified IP Phone ships with two default ring types that are implemented in hardware: Chirp1 and Chirp2. Cisco Unified CallManager also provides a default set of additional phone ring sounds that are implemented in software as pulse code modulation (PCM) files. The PCM files, along with an XML file (named Ringlist.xml) that describes the ring list options that are available at your site, exist in the TFTP directory on each Cisco Unified CallManager server.

For more information, see the "Cisco TFTP" chapter in Cisco Unified CallManager System Guide, Release 5.0(1) and the "Software Upgrades" chapter in Cisco IP Telephony Platform Administration Guide.

The following sections describe how you can customize the phone rings that are available at your site by creating PCM files and editing the Ringlist.xml file:

Ringlist.xml File Format Requirements

PCM File Requirements for Custom Ring Types

Configuring a Custom Phone Ring

Ringlist.xml File Format Requirements

The Ringlist.xml file defines an XML object that contains a list of phone ring types. This file can include up to 50 ring types. Each ring type contains a pointer to the PCM file that is used for that ring type and the text that will appear on the Ring Type menu on a Cisco Unified IP Phone for that ring. The Cisco TFTP server for each Cisco Unified CallManager contains this file.

The CiscoIPPhoneRinglist XML object uses the following simple tag set to describe the information:

<CiscoIPPhoneRingList>
   <Ring>
      <DisplayName/>
      <FileName/>
   </Ring>
</CiscoIPPhoneRingList>

The following characteristics apply to the definition names. You must include the required DisplayName and FileName for each phone ring type.

DisplayName defines the name of the custom ring for the associated PCM file that will display on the Ring Type menu of the Cisco Unified IP Phone.

FileName specifies the name of the PCM file for the custom ring to associate with DisplayName.


Note The DisplayName and FileName fields must not exceed 25 characters.


This example shows a Ringlist.xml file that defines two phone ring types:

<CiscoIPPhoneRingList>
   <Ring>
      <DisplayName>Analog Synth 1</DisplayName>
      <FileName>Analog1.raw</FileName>
   </Ring>
   <Ring>
      <DisplayName>Analog Synth 2</DisplayName>
      <FileName>Analog2.raw</FileName>
   </Ring>
</CiscoIPPhoneRingList>

PCM File Requirements for Custom Ring Types

The PCM files for the rings must meet the following requirements for proper playback on Cisco Unified IP Phones:

Raw PCM (no header)

8000 samples per second

8 bits per sample

uLaw compression

Maximum ring size—16080 samples

Minimum ring size—240 samples

Number of samples in the ring is evenly divisible by 240.

Ring starts and ends at the zero crossing.

To create PCM files for custom phone rings, you can use any standard audio editing packages that support these file format requirements.

Configuring a Custom Phone Ring

To create custom phone rings for the Cisco Unified IP Phone 7970 Series, follow these steps:

Procedure


Step 1 Create a PCM file for each custom ring (one ring per file). Ensure the PCM files comply with the format guidelines that are listed in the "PCM File Requirements for Custom Ring Types" section.

Step 2 Upload the new PCM files that you created to the Cisco TFTP server for each Cisco Unified CallManager in your cluster. For more information, see the "Software Upgrades" chapter in Cisco IP Telephony Platform Administration Guide.

Step 3 Use an text editor to edit the Ringlist.xml file. See the "Ringlist.xml File Format Requirements" section for information about how to format this file and for a sample Ringlist.xml file.

Step 4 Save your modifications and close the Ringlist.xml file.

Step 5 To cache the new Ringlist.xml file, stop and start the TFTP service by using Cisco Unified CallManager Serviceability or disable and re-enable the Enable Caching of Constant and Bin Files at Startup TFTP service parameter (located in the Advanced Service Parameters).


Creating Custom Background Images

You can provide users with a choice of background images for the LCD screen on their phones. Users can select a background image by choosing Settings > User Preferences > Background Images on the phone.

The image choices that users see come from PNG images and an XML file (called List.xml) that are stored on the TFTP server used by the phone. By storing your own PNG files and editing the XML file on the TFTP server, you can designate the background images from which users can choose. In this way, you can provide custom images, such as your company logo.

The following sections describe how you can customize the background images that are available at your site by creating your own PNG files and editing the List.xml file:

List.xml File Format Requirements.

PNG File Requirements for Custom Background Images.

Configuring a Custom Background Image

List.xml File Format Requirements

The List.xml file defines an XML object that contains a list of background images. The List.xml file is stored in the following folder on the TFTP server:

The List.xml file is stored in the TFTP server.

For more information, see the "Cisco TFTP" chapter in Cisco Unified CallManager System Guide, Release 5.0(1) and the "Software Upgrades" chapter in Cisco IP Telephony Platform Administration Guide.

The List.xml file can include up to 50 background images. The images are in the order that they appear in the Background Images menu on the phone. For each image, the List.xml file contains one element type, called ImageItem. The ImageItem element includes these two attributes:

Image—Uniform resource identifier (URI) that specifies where the phone obtains the thumbnail image that will appear on the Background Images menu on a Phone.

URL—URI that specifies where the phone obtains the full size image.

The following example shows a List.xml file that defines two images. The required Image and URL attributes must be included for each image. The TFTP URI that is shown in the example is the only supported method for linking to full size and thumbnail images. HTTP URL support is not provided.

List.xml Example

<CiscoIPPhoneImageList>
<ImageItem Image="TFTP:Desktops/320x212x12/TN-Fountain.png" 
URL="TFTP:Desktops/320x212x12/Fountain.png"/> 
<ImageItem Image="TFTP:Desktops/320x212x12/TN-FullMoon.png" 
URL="TFTP:Desktops/320x212x12/FullMoon.png"/> 
</CiscoIPPhoneImageList>

The Cisco Unified IP Phone firmware includes a default background image. This image is not defined in the List.xml file. The default image is always the first image that appears in the Background Images menu on the phone.

PNG File Requirements for Custom Background Images

Each background image requires two PNG files:

Full size image—Version that appears on the on the phone.

Thumbnail image—Version that appears on the Background Images screen from which users can select an image. Must be 25% of the size of the full size image.


Tip Many graphics programs provide a feature that will resize a graphic. An easy way to create a thumbnail image is to first create and save the full size image, then use the sizing feature in the graphics program to create a version of that image that is 25% of the original size. Save the thumbnail version using a different name.


The PNG files for background images must meet the following requirements for proper display on the Cisco Unified IP Phone:

Full size image—320 pixels (width) X 212 pixels (height).

Thumbnail image—80 pixels (width) X 53 pixels (height).

Color palette (applies to Cisco Unified IP Phone 7970 Series only)—Includes up to 12-bit color (4096 colors). You can use more than 12-bit color, but the phone will reduce the color palette to12-bit before displaying the image. For best results, reduce the color palette of an image to 12-bit when you create a PNG file.


Tip If you are using a graphics program that supports a posterize feature for specifying the number of tonal levels per color channel, set the number of tonal levels per channel to 16 (16 red X 16 green X 16 blue = 4096 colors).


Configuring a Custom Background Image

To create custom background images for the Cisco Unified IP Phone, follow these steps:

Procedure


Step 1 Create two PNG files for each image (a full size version and a thumbnail version). Ensure the PNG files comply with the format guidelines that are listed in the "PNG File Requirements for Custom Background Images" section.

Step 2 Upload the new PNG files that you created in the following folder to the TFTP server for each Cisco Unified CallManager in the cluster. For more information, see the "Software Upgrades" chapter in the Cisco IP Telephony Platform Administration Guide.


Note Cisco recommends that you also store backup copies of custom image files in another location. You can use these backup copies if the customized files are overwritten when you upgrade Cisco Unified CallManager.


Step 3 Use a text editor to edit the List.xml file. See the "List.xml File Format Requirements" section for the location of this file, formatting requirements, and a sample file.

Step 4 Save your modifications and close the List.xml file.


Note When you upgrade Cisco Unified CallManager, a default List.xml file will replace your customized List.xml file. After your customize the List.xml file, make a copy of the file and store it in another location. After upgrading Cisco Unified CallManager, replace the default List.xml file with your stored copy.


Step 5 To cache the new List.xml file, stop and start the TFTP service by using Cisco Unified CallManager Serviceability or disable and re-enable the Enable Caching of Constant and Bin Files at Startup TFTP service parameter (located in the Advanced Service Parameters).


Configuring Wideband Headset Codec

Users can configure a setting called Wideband Headset in the Audio Preferences menu on the phone (choose > User Preferences > Audio Preferences> Wideband Headset). This setting is Disabled by default, and should be enabled only if the user's headset supports wideband.

If Cisco Unified CallManager has been configured to use G.722 (G.722 is enabled by default for Cisco Unified IP Phone Models 7941G, 7941G-GE, 7961G, 7961G-GE, 7970G, and 7971G-GE; other phone models may not support it), and the far endpoint also supports G.722, the call will be connected using the G.722 codec in place of G.711. This occurs regardless of whether the user has enabled a wideband headset, but if the headset is enabled, the headset user may notice greater audio sensitivity during the call. Greater sensitivity means improved audio clarity but also means that more background noise can be heard by the far endpoint—noise such as rustling papers or nearby conversations. Even without a wideband headset, some users may prefer the additional sensitivity of G.722; conversely, some users may be distracted by the additional sensitivity of G.722.

Two parameters in Cisco Unified CallManager Administration affect whether wideband is supported for this Cisco Unified CallManager server and/or a specific phone:

Advertise G.722 Codec—Choose Cisco Unified CallManager Administration > System > Enterprise Parameters. The default value of this enterprise parameter is True, which means that all Cisco Unified IP Phone Models 7941G, 7941G-GE, 7961G, 7961G-GE, 7970G, and 7971G-GE that are registered to this Cisco Unified CallManager will advertise G.722 to Cisco Unified CallManager. If each endpoint in the attempted call supports G.722 in its capabilites set, Cisco Unified CallManager will choose that codec for the call. For more information, see the Cisco Unified CallManager 5.1 Release Notes.

Advertise G.722 Codec—Choose Cisco Unified CallManager Administration > Device > Phone. The default value of this product-specific parameter is to use the value specified in the enterprise parameter. If you want to override this on a per-phone basis, choose Enabled or Disabled in the Advertise G.722 Codec parameter on the Product Specific Configuration area of the Phone Configuration window.

Configuring the Idle Display

You can specify an idle display that appears on the phone's LCD screen. The idle display is an XML service that the phone invokes when the phone has been idle (not in use) for a designated period and no feature menu is open.

XML services that can be used as idle displays include company logos, product pictures, and stock quotes.

Configuring the idle display consists of these general steps.

1. Formatting an image for display on the phone.

2. Configure Cisco Unified CallManager to display the image on the phone.

For detailed instructions about creating and displaying the idle display, refer to Creating Idle URL Graphics on Cisco Unified IP Phone at this URL:

http://www.cisco.com/warp/public/788/AVVID/idle-url.html

In addition, you can refer to Cisco Unified CallManager Administration Guide or to Cisco Unified CallManager Bulk Administration Guide for the following information:

Specifying the URL of the idle display XML service:

For a single phone—Idle field on the Cisco Unified CallManager Phone Configuration page

For multiple phones simultaneously—URL Idle field on the Cisco Unified CallManager Enterprise Parameters Configuration page, or the Idle field in the Bulk Administration Tool (BAT)

Specifying the length of time that the phone is not used before the idle display XML service is invoked:

For a single phone—Idle Timer field on the Cisco Unified CallManager Phone Configuration page

For multiple phones simultaneously—URL Idle Time field on the Cisco Unified CallManager Enterprise Parameters Configuration page, or the Idle Timer field in the Bulk Administration Tool (BAT)

From a phone, you can see settings for the idle display XML service URL and the length of time that the phone is not used before this service is invoked. To see these settings, choose Settings > Device Configuration and scroll to the Idle URL and the Idle URL Time parameters.

Automatically Disabling the Cisco Unified IP Phone Touchscreen

To conserve power and ensure the longevity of the LCD screen on the phone, you can set the LCD to turn off when it is not needed.

You can configure settings in Cisco Unified CallManager Administration to turn off the display at a designated time on some days and all day on other days. For example, you may choose to turn off the display after business hours on weekdays and all day on Saturdays and Sundays.

When the display is off, the LCD screen is dark and disabled, and the Display button lights. You can take any of these actions to turn on the display any time it is off:

Press any button on the phone.

If you press a button other than the Display button, the phone will take the action designated by that button in addition to turning on the display.

Touch the touchscreen.

Lift the handset.

When you turn the display on, it remains on until the phone has remained idle for a designated length of time, then it turns off automatically.


Note You can use the Display button to temporarily disable the touchscreen for cleaning. See the "Cleaning the Cisco Unified IP Phone" section on page 9-25 for more information.


Table 6-1 explains the Cisco Unified CallManager Administration fields that control when the display turns on and off. You configure these fields in Cisco Unified CallManager Administration in the Product Specific Configuration page. (You access this page by choosing Device > Phone from Cisco Unified CallManager Administration.)

You can view the display settings for a phone from the Power Save Configuration menu on the phone. For more information, see the "Power Save Configuration Menu" section on page 4-26.

Table 6-1 Display On and Off Configuration Fields 

Field
Description

Days Display Not Active

Days that the display does not turn on automatically at the time specified in the Display On Time field.

Choose the day or days from the drop-down list. To choose more than one day, Ctrl-click each day that you want.

Display On Time

Time each day that the display turns on automatically (except on the days specified in the Days Display Not Active field).

Enter the time in this field in 24 hour format, where 0:00 is midnight.

For example, to automatically turn the display on at 7:00 a.m., (0700), enter 7:00. To turn the display on at 2:00 p.m. (1400), enter 14:00.

If this field is blank, the display will automatically turn on at 0:00.

Display On Duration

Length of time that the display remains on after turning on at the time specified in the Display On Time field.

Enter the value in this field in the format hours:minutes.

For example, to keep the display on for 4 hours and 30 minutes after it turns on automatically, enter 4:30.

If this field is blank, the phone will turn off at the end of the day (0:00).

Note If Display On Time is 0:00 and the display on duration is blank (or 24:00), the display will remain on continuously.

Display Idle Timeout

Length of time that the phone is idle before the display turns off. Applies only when the display was off as scheduled and was turned on by an end-user (by pressing a button on the phone, touching the touchscreen, or lifting the handset).

Enter the value in this field in the format hours:minutes.

For example, to turn the display off when the phone is idle for 1 hour and 30 minutes after an end-user turns the display on, enter 1:30.

The default value is 0:30.

Display On When Incoming Call

Disable/enable automatic illumination of the LCD screen when a call is received.

Default: Disabled



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