Edit phone number

You can add your mobile, home, or other phone numbers to your Skype for Business (Lync) contact card. You can add parentheses and dashes for readability, but Skype for Business (Lync) stores the number in international dialing format.

Lync phone number example showing international dialing format

Important: Skype for Business (Lync) doesn’t support pauses, extension numbers, or special access codes. Use the keypad to enter the extension number or access code once the call is connected.

However, see the tip below if you want to enter an extension number that is displayed but not dialed.

See also: Edit your copy of someone's contact information.

International phone number format

When adding international phone numbers, type the + sign, then the country code followed by the local number.

See the examples below, or search for your own country code.

Recipient's country/region

Country/ code

Local phone number

International phone number for Skype for Business (Lync)



(12) 3456789




01 02 03 04 05


United Kingdom


12345 678 910


United States


(555) 555-0155




58 (3456) 789, 10, 11


Tips:  You can enter an extension or access code that is displayed but not dialed:

  1. Enter the number in international format, beginning with a plus sign.

  2. Add a space at the end of the phone number, enter an X (for extension) or other special character, and then enter the extension number.

Lync edit phone number with extension added

  1. Skype for Business (Lync) dials only the main number.

  2. Once the call is connected, use the Skype for Business (Lync) keypad to enter the extension number or access code.

Lync main window tabs with keypad highlighted

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