DECT 4025 Nortel DECT Handset 4025 User Guide
Revision history Revision history October 2005 Standard 2.00. This document is up-issued to support Nortel Communication Server 1000 Release 4.5. February 2005 Standard 1.00. This document is up-issued to support Nortel Communication Server 1000 Release 4.0.
Revision history 4
Contents Contents Important safety information . . . . . . . . . . . . . . . . . . . . . . . . . 9 Sensitive electronic equipment . . . . . . . . . . . . . . . . . . . . . . . . . 9 Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 About the handset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Basic features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Setting up the handset . . . . . . . . . . . . . . . . . . . . .
Contents Using Quick Call . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Using Handsfree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Making an SOS call . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Answering a call . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Muting the ringer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Changing settings during a call . . . . . . . . . . . . . . . . . . . . . .
Contents Audio settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Adjusting the ringer volume . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Selecting the ringer melody . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Setting earpiece/speaker volume . . . . . . . . . . . . . . . . . . . . . . 49 Telephone Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Accessing the Telephone Options menu . . . . . . . . . . . . . . . .
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Important safety information Important safety information Read the following information before using the Nortel DECT Handset 4025. CAUTION Like all cordless telephones, this handset uses radio signals, which do not guarantee a connection setup under all circumstances. Generally, you should not rely exclusively on cordless telephones when making indispensable calls (such as medical emergencies).
Important safety information Safety precautions Observe the following WARNING Do not open the handset or charger. Doing so could expose you to high voltages. Have all repairs carried out by authorized service personnel. CAUTION • Do not allow the handset and charger to come into contact with water or chemicals. • Do not allow the charger and the battery contacts to come into contact with conductive objects such as keys, paper clips, rings, or bracelets. • This product contains magnetic material.
About the handset About the handset The DECT Handset 4025 brings a high level of functionality to in-building mobile workers.
Setting up the handset Setting up the handset Before you use the handset, it is important that you read the safety information and perform the following steps: 1. Install the charger. 2. Install the batteries. 3. Charge the batteries. 4. Subscribe the handset to the DECT system. Installing the charger Place the charger on a flat, even surface. To operate the charger, a mains connection is required. Ensure that the mains voltage matches the adapter mains voltage.
Setting up the handset CAUTION Do not install the charger, handset, and accessories in: • areas where the handset can be covered, or in locations with poor ventilation • areas where there is excessive dust and areas subject to vibration, shock, or extreme temperature fluctuations CAUTION Keep the charger, handset, and accessories out of reach of small children. Your handset is operational only after the batteries have been charged. You can then use the handset to make and receive calls.
Setting up the handset Installing the batteries The battery compartment is on the back of the handset. It takes the three type AAA batteries that are supplied. Please refer to “Important battery information” on page 15. Figure 1 illustrates how to insert batteries in the DECT Handset 4025. Figure 1: Inserting the batteries 1 2 3 1. Insert a small item, such as the top of a ballpoint pen, into the hole at the bottom of the compartment cover.
Setting up the handset Important battery information Heat or cold reduces the performance and service life of the batteries. It is possible that a handset with hot or cold batteries can be temporarily out of operation even if the batteries are fully charged. WARNING Do not dispose of the batteries in a fire. Recycle or dispose of batteries in accordance with local regulations.
Setting up the handset CAUTION Avoid placing the handset in the charger when fullycharged batteries have been removed from the handset and inserted again. They can become overcharged. Charging guidelines • Charge the batteries for at least six to seven hours before using the handset for the first time. This protective measure extends the service life of the batteries. • The maximum power output is attained only after three to five charging and discharging cycles.
Setting up the handset three short “beep” signals (only during a call). This indicates that approximately five minutes of talk time remains. See Figure 2 for battery charge status definitions. Figure 2: Battery charge status Fully charged - 75 to 100% Partially charged - 50 to 74% Partially charged - 25 to 49% Partially charged- 0 to 24% Batteries are empty. An alert tone sounds and the icon (frame) flashes.
Setting up the handset In order to carry out the following steps, you must be familiar with the use of the handset controls; see “Handset controls” on page 20. Menu 1. Press the Menu soft key. u 2. Press the arrow keys to scroll and highlight the System option. System OK u Subscription OK u Subscribe HS OK d PABX-PIN 3. Press the OK soft key. 4. Press the arrow keys to scroll and highlight the Subscription option. 5. Press the OK soft key. 6.
Setting up the handset 9. Choose one of the following three options: u Cancel u Subscribe u Use Park-Code d — press the arrow keys to scroll and highlight the Cancel option. — if you are at a location where there is only one DECT system, press the arrow keys to scroll and highlight the Subscribe option. — if you are at a location where two DECT systems overlap, press the arrow keys to scroll and highlight the Use PARK-Code option, and use the keypad to enter a system ID.
Handset controls Handset controls This section will help you become familiar with the following: • “Keys and display” on page 22 • “Icon/text line” on page 22 • “Text line” on page 23 • “Handset illumination” on page 26 • “Handset illumination” on page 26 • “Key Lock” on page 26 See Figure 3 for an illustration of the handset layout.
Handset controls Use the C (Cancel) key to: • power On/Off • delete characters or entire entries • edit characters Use the R (Recall) key to: • place an Emergency/SOS call • place a call on hold • retrieve a call on hold • transfer a call • set up a conference call Use the Hook key to: • make a call • answer a call • end a call Use the Info key to: • access the Caller List • access Voice Mail Press the Speaker key to activate handsfree.
Handset controls Press the arrow (up/down) keys to select menu items and to access the Telephone Book. Switching the handset on/off e • Switch the handset ON by pressing C for more than one second, or place the handset in the charger. • Switch the handset OFF by pressing C for more than one second when it is in an idle state.
Handset controls Table 1: Symbols indicating handset status Symbol Status n Ringer deactivated x At least 2 bars: Good radio link g On: Handset has a connection Flashing: Handset has an incoming call = On: Handsfree is activated V Flashing: Voice message waiting indication k Steady: Microphone is muted [ Charge status of the batteries q Steady: Keypad is locked Text line The middle line of the display provides information which varies with the current state of the handset.
Handset controls Soft key line Soft keys are located below the handset display screen.The functions allocated to the keys are shown on the bottom line of the display, as illustrated in Figure 4. The key functions change automatically according to the operation state of the handset. Figure 4: Soft key line x Menu b [ Icon/text line 544 Text line r Soft key line Menu Use the Menu soft key to access the Menu list. b Use the Telephone Book soft key to access the Telephone Book.
Handset controls Esc soft key Use the Esc soft key to quit the current menu selection. The selection of the previous menu branch or the current idle/connection display is shown. Press the Esc soft key for approximately two seconds to quit the present menu and return to the idle display. Arrow soft keys Symbols displayed above the arrow keys (up and down keys) identify the respective functionality of the arrow keys.
Handset controls Handset illumination The display is automatically illuminated when there is an incoming call or a key is pressed. The display illumination automatically switches off after ten seconds if no key is pressed. Key Lock Use the Key Lock feature to disable key input and prevent any accidental operation. Turning on Key Lock: Menu 1. Press the Menu soft key. # 2. Press the # key. Turning off Key Lock: 26 OFF 1. Press the OFF soft key. # 2. Press the # key.
Calling features Calling features This section explains: • “Making a call” on page 27 • “Answering a call” on page 29 • “Muting the ringer” on page 29 • “Changing settings during a call” on page 29 • “Transferring a call” on page 30 Making a call Choose one of these options to make a call: Dialing h 1. Press the Hook key. d 2. Use the keypad to enter the phone number. Using the Pre-Dial option d 1. Use the keypad to enter the phone number. h 2. Press the Hook key.
Calling features Using Quick Call Use the Quick Call feature to place calls by dialing a one-digit code. d Press the number key assigned to the phone number and hold it down for a second or two while the handset is idle. Using Handsfree To enable several people in a room to listen to a call, the handset includes a Handsfree feature. f 1. Press the Speaker key to activate Handsfree. d 2. Use the keypad to enter the phone number. f 3. Press the Speaker key to end the call.
Calling features Making an SOS call This handset can be used to make emergency calls to a specific telephone number. p Press and hold the R key for more than two seconds to dial the SOS number. To store an SOS number, see “Setting the Emergency Call SOS number” on page 52. Answering a call When the ringer sounds and the call alert w symbol flashes, there is an incoming call. h • Reject • Press the Hook key to answer the call.
Calling features Adjusting the earpiece/speaker volume During a call, you can change the volume of the earpiece or speaker with the arrow keys. When the minimum or maximum volume is reached, a beep sounds. A bar in the display increases or decreases to indicate the actual volume setting. Muting the handset during a call Mute • Press the Mute soft key to deactivate the microphone of your handset. Unmute • Press the Unmute soft key to activate the microphone again.
Using Voice Mail Using Voice Mail Use the Voice Mail feature to listen to voice messages left by calling parties. New voice messages are indicated by: • The V (Voice Mail) symbol flashes on the display screen (the symbol disappears after the voice message is played). • Voice Message is displayed on the display screen.
Using Voice Mail OK 3. Press the OK soft key. d 4. Use the keypad to enter the following: a. Voice Mail access number b. P (long pause) — hold down “#” key for longer than 2 seconds c. voice box number d. # e. voice box password (optional) followed by # OK 5. Press the OK soft key. Accessing Voice Mail Use this option to automatically access voice mail messages using a preconfigured Voice Mail access number, voice box number, and password. 1.
Using Voice Mail 3. Choose one of the following: OK h — Press the OK soft key. — Press the Hook key. The Voice Mail access number is automatically dialed, and your voice box number and password are automatically entered. Note: Press the Esc key at any time to abort this procedure.
Using the Telephone Book Using the Telephone Book Use the Telephone Book menu for the following: • “Adding a new entry” on page 36 • “Editing an entry” on page 36 • “Deleting an entry” on page 38 • “Assigning a Quick Call number” on page 39 • “Deleting a Quick Call assignment” on page 40 The Telephone Book allows you to store a maximum of 50 phone numbers and names, which can be searched alphabetically. The following restrictions apply: • Each entry must have a unique name.
Using the Telephone Book To enter a character, press a key from 0 to 9. For example, press the 4 key twice to enter the character H. Press * to toggle between upperand lowercase letters. See Table 2 for handset keypad references.
Using the Telephone Book Adding a new entry a u 1. Press the Telephone Book soft key. 2. Press the arrow keys to scroll and highlight the New Entry option. New Entry OK 3. Press the OK soft key. d 4. Use the keypad to enter the phone number. OK 5. Press the OK soft key. d 6. Use the keypad to enter the name. OK 7. Press the OK soft key. Editing an entry a u Options 36 1. Press the Telephone Book soft key. 2. Press the arrow keys to scroll and highlight the entry you wish to edit. 3.
Using the Telephone Book u 4. Press the arrow keys to scroll and highlight the Edit option. Edit OK e 5. Press the OK soft key. 6. To delete the phone number, either: • Short press the C (Cancel) key to delete the individual digits from the number. • Long press the C key to delete the entire number. Note: Move the cursor to the beginning or end of the entry using the arrow (c) keys. Note: Press Esc if you do not wish to change a phone number or a name. d 7.
Using the Telephone Book d 10. Use the keypad to enter the new name. OK 11. Press the OK soft key. Deleting an entry a u Options u 1. Press the Telephone Book soft key. 2. Press the arrow keys to scroll and highlight the entry you wish to delete. 3. Press the Options soft key. 4. Press the arrow keys to scroll and highlight the Delete option. Delete OK 5. Press the OK soft key. Deleting all entries To delete all entries from the Telephone Book, see “Clearing the Telephone Book” on page 64.
Using the Telephone Book Using Quick Call Use the Quick Call feature to place calls by dialing a one-digit code. You can store a maximum of nine Quick Call numbers, one each for the nine keys on the keypad. Quick Call numbers are assigned to phone numbers already stored in the Telephone Book. To learn how to make a call using Quick Call, see “Using Quick Call” on page 28. Assigning a Quick Call number a u Options u 1. Press the Telephone Book soft key. 2.
Using the Telephone Book Deleting a Quick Call assignment a u Options u 1. Press the Telephone Book soft key. 2. Press the arrow keys to scroll and highlight the entry to which you wish to assign a Quick Call number. 3. Press the Options soft key. 4. Press the arrow keys to scroll and highlight the Quick Call option. Quick Call OK u 5. Press the OK soft key. 6. Press the arrow keys to scroll and highlight the Delete option. Delete 40 OK 7. Press the OK soft key. d 8.
Using the Telephone Book Transferring phone numbers to the Telephone Book Every number in the Redial List and Caller List can be transferred to the Telephone Book. For more information, see: • “Transferring a number to the Telephone Book” on page 42 to transfer a number from the Redial List. • “Transferring a number to the Telephone Book” on page 45 to transfer a number from the Callers List.
Using the Redial List Using the Redial List The Redial List stores the last ten internal and external parties dialed. Use the Redial List to: • dial a number from the Redial list • transfer numbers to the Telephone Book Dialing a number from the Redial List r 1. Press the Redial soft key. u 2. Press the arrow keys to scroll and highlight a telephone number. h 3. Press the Hook key.
Using the Redial List Options u 3. Press the Options soft key. 4. Press the arrow keys to scroll and highlight the Add to option. Add To OK u 5. Press the OK soft key. 6. Press the arrow keys to scroll and highlight the Telephone Book option. Telephone Book OK 7. Press the OK soft key.
Using the Caller List Using the Caller List The Caller List automatically stores a maximum of 20 accepted or missed calls. After 20 entries are stored in the Caller List, each additional call overwrites the oldest entry. Use the Caller List to: • call a number from the Callers List • transfer numbers to the Telephone Book The following are features of the Caller List: • When a call has not been answered, the text “Missed Calls” is shown in the display.
Using the Caller List Calling a number from the Caller List i Caller List OK 1. Press the Info soft key. 2. Press the arrow keys to scroll and highlight the Caller List option. 3. Press the OK soft key. u 4. Press the arrow keys to scroll and highlight a telephone number. h 5. Press the Hook key to dial the number. Transferring a number to the Telephone Book Use this option to transfer any number from the Caller List to the Telephone Book, where the number is treated as a new entry. i 1.
Using the Caller List Options u 4. Press the Options soft key. 5. Press the arrow keys to scroll and highlight the Add to option. Add To OK u 6. Press the OK soft key. 7. Press the arrow keys to scroll and highlight the Telephone Book option. Telephone Book OK 46 8. Press the OK soft key.
Audio settings Audio settings You can configure the audio preferences with the following options: • “Adjusting the ringer volume” on page 47 • “Selecting the ringer melody” on page 47 • “Setting earpiece/speaker volume” on page 49 Adjusting the ringer volume Menu 1. Press the Menu soft key. u 2. Press the arrow keys to scroll and highlight the Ringer Settings option. Ringer Settings OK u 3. Press the OK soft key. 4. Press the arrow keys to scroll and highlight the Volume Settings option.
Audio settings u 2. Press the arrow keys to scroll and highlight the Ringer Settings option. Ringer Settings OK u 3. Press the OK soft key. 4. Press the arrow keys to scroll and highlight the Melody option. Melody OK u 5. Press the OK soft key. 6. Press the arrow keys to scroll and highlight the Incoming Calls option. Incoming Calls u 7. Press the arrow keys to scroll and highlight the Incoming CallsX option. Incoming CallsX OK 48 8. Press the OK soft key.
Audio settings Setting earpiece/speaker volume Use the Volume Settings menu option to set the volume for the speaker or the earpiece. Menu 1. Press the Menu soft key. u 2. Press the arrow keys to scroll and highlight one of the following: Earpiece Handsfree OK u — Earpiece — Handsfree 3. Press the OK soft key. 4. Press the arrow keys to increase or decrease the volume. Note: Alternatively, change the voice volume in 7 increments using digits 1 through 7 on the keypad (d). OK 5.
Telephone Options Telephone Options Use the Telephone Options menu to perform the following: • “Setting the User Name” on page 51 • “Selecting the handset language” on page 51 • “Setting the Emergency Call SOS number” on page 52 • “Configuring Attention Tones” on page 53 • “Activating/deactivating Charger Answer” on page 54 • “Activating/deactivating Silent Charging” on page 55 • “Adjusting Display Contrast” on page 55 Accessing the Telephone Options menu Menu 1. Press the Menu soft key.
Telephone Options Setting the User Name Use the User Name option to store a name which appears on the idle display. The name can consist of a maximum 12 characters. For help on using the keypad to enter characters, see “Keypad layout” on page 34. 1. Access the Telephone Options menu as described in “Accessing the Telephone Options menu” on page 50. u 2. Press the arrow keys to scroll and highlight the User Name option. User Name OK 3. Press the OK soft key. d 4.
Telephone Options OK u OK 3. Press the OK soft key. 4. Press the arrow keys to scroll and highlight the language you wish to use. 5. Press the OK soft key. Setting the Emergency Call SOS number Use the Emergency Call SOS option to store a number that can be dialed in the event of an emergency. To learn how to dial the emergency number, see “Making an SOS call” on page 29. 1. Access the Telephone Options menu as shown in “Accessing the Telephone Options menu” on page 50. u 2.
Telephone Options u 6. Press the arrow keys to scroll and highlight the Save option. Save OK 7. Press the OK soft key. Configuring Attention Tones Use the Attention Tones option to configure the handset to emit an acoustic warning when: • a key is pressed (Key click) • a setting is confirmed (Confirm tones) • the end of a menu is displayed (End of menu) • the battery charge is too low (Battery alarm) • there is a danger of losing the radio link (Coverage warning) 1.
Telephone Options u Key Click 4. Press the arrow keys to scroll and highlight one of the following: — Key click Coverage Warn — Coverage warning Battery Alarm — Battery alarm Confirm Tones — Confirm tones End of Menu OK — End of menu 5. Press the OK soft key. Note: A check mark indicates the selected option is activated. Activating/deactivating Charger Answer Activate Charger Answer if you wish to be able to answer incoming calls by lifting the handset out of the charger.
Telephone Options Activating/deactivating Silent Charging Use the Silent Charging option to automatically turn off the ringer while the handset is charging. 1. Access the Telephone Options menu as described in “Accessing the Telephone Options menu” on page 50. u 2. Press the arrow keys to scroll and highlight the Silent Charging option. Silent Charging OK 3. Press the OK soft key. Note: A check mark indicates the selected option is activated.
Telephone Options u OK 56 4. Press the arrow keys to increase or decrease the display contrast. 5. Press the OK soft key.
System System Before you can make a telephone call using the DECT handset, the handset must be subscribed to a DECT system. The handset can be operated with a maximum of five DECT systems. Note: When the handset is not yet subscribed to the system, the display shows “Please, subscribe”.
System Manually selecting the DECT system If the handset has been subscribed to several DECT systems, use this option to select which system the handset will use. 1. Access the System menu as shown in “Accessing the System menu” on page 57. u 2. Press the arrow keys to scroll and highlight the Subscription option. Subscription OK u Options u 3. Press the OK soft key. 4. Press the arrow keys to scroll and highlight the system name. 5. Press the Options soft key. 6.
System the effective range of the current system. This function is disabled if a specific system is selected using the option “Manually selecting the DECT system” on page 58. 1. Access the System menu as shown in “Accessing the System menu” on page 57. u 2. Press the arrow keys to scroll and highlight the Subscription option. Subscription OK u 3. Press the OK soft key. 4. Press the arrow keys to scroll and highlight the Auto Search option. Auto Search OK 5. Press the OK soft key.
System Deleting a system Use this function to remove a DECT system registration from your handset. Note: Be careful when deleting DECT systems from the handset. The handset must be subscribed to at least one DECT system or it will not work. 1. Access the System menu as shown in “Accessing the System menu” on page 57. u 2. Press the arrow keys to scroll and highlight the Subscription option. Subscription OK u Options u 3. Press the OK soft key. 4.
System Editing the system name and phone number Use this option to change the system name or phone number on the handset: 1. Access the System menu as shown in “Accessing the System menu” on page 57. u 2. Press the arrow keys to scroll and highlight the Subscription option. Subscription OK u Options u 3. Press the OK soft key. 4. Press the arrow keys to scroll and highlight the system name. 5. Press the Options soft key. 6. Press the arrow keys to scroll and highlight the Edit option.
System 62 d 10. Use the keypad to enter the new local phone number. OK 11. Press the OK soft key.
Security functions Security functions The security functions are protected by a four-digit Personal Identification Number (PIN). The PIN is needed only when the Read-Only option is switched on. Use the Security menu for the following: • “Resetting the handset” on page 64 • “Clearing the Telephone Book” on page 64 • “Changing the PIN” on page 65 • “Activating Read-Only” on page 66 If you have forgotten your PIN, contact your system administrator. Accessing the Security menu Menu 1.
Security functions OK 5. Press the OK soft key. Resetting the handset Use Handset Reset to return all settings to the delivery state, with the exception of the Telephone Book, the PIN and system registrations. 1. Access the Security menu as shown in “Accessing the Security menu” on page 63. u 2. Press the arrow keys to scroll and highlight the Default Setting option. Default Setting OK 3. Press the OK soft key. 4.
Security functions u 2. Press the arrow keys to scroll and highlight the Clear Phonebook option. Clear Phonebook OK 3. Press the OK soft key. 4. At the Sure? prompt, choose one of the following: — Press the Yes soft key to clear the Telephone Book. Yes — Press the No soft key to cancel changes. No Changing the PIN Use the Change PIN option to reset the pin to a number you will remember. The numbers you enter are displayed as ****. For additional security, the new PIN must be entered twice. 1.
Security functions OK u OK u OK 5. Press the OK soft key. 6. Use the keypad to enter the new PIN. 7. Press the OK soft key. 8. Use the keypad to re-enter the new PIN. 9. Press the OK soft key. Activating Read-Only Activating the Read-Only option prevents other users from making changes to the handset settings. All menu functions are activated, but personal settings are protected. 1. Access the Security menu as shown in “Accessing the Security menu” on page 63. u 2.
Security functions 4. At the Sure? prompt, choose one of the following: Yes — Press the Yes soft key to activate ReadOnly. No — Press the No soft key to cancel changes.
Accessories Accessories Table 4 lists accessories that are available for the DECT Handset 4025.
Terms you should know Terms you should know Off-hook Any line that is selected to either make a call or receive an incoming call. The term off-hook is applied, regardless of whether the user actually (a) lifts the handset, (b) presses a line key, (c) the call is automatically answered at the set, or (d) a line is automatically selected for an outgoing call. Handsfree A method of conversing with the party on the other end of the line without lifting your handset.
Terms you should know 70
Index Index A list 42 Adjusting the earpiece/speaker volume 30 Dialing the phone 27 Display contrast 55 Adjusting the ringer volume 47 Answering a call 29 Arrow soft keys 25 Assigning a quick call number 39 Attention tones 53 Audio settings 47 B Battery charge display 16 Battery operating times 16 C Caller list 44 Calling 27 Calling a number from the caller list 45 Changing the PIN 65 Charger 12 Charger answer 54 Charging guidelines 16 Charging the batteries 15 Clearing the telephone book 64 E Editi
Index M Making an SOS call 29 23 Muting 29 T Muting the handset during a call 30 Telephone book 34 Muting the ringer 29 Text line 23 Transfer a call 30 O Off-hook 69 OK soft key 24 Options soft key 24 P Pre-dialing 27 Q Quick call 39 R Read-only 66 Registering the handset 17 Reset the handset 64 Resetting the handset 64 S Safety information 9 Security functions 63 Selecting the DECT system 58 Setting earpiece/speaker volume 49 Silent charging 55 Soft keys 26 SOS 52 Switching the handset on/off
Nortel Communication Server 1000 Nortel DECT Handset 4025 User Guide Copyright © Nortel Networks Limited 2005 All Rights Reserved Information is subject to change without notice. Nortel reserves the right to make changes in design or components as progress in engineering and manufacturing may warrant. Nortel, Nortel (Logo), the Globemark, This is the Way, This is Nortel (Design mark), SL-1, Meridian 1, and Succession are trademarks of Nortel Networks.
