Pages that link to "Vertical service code"

The following pages link to Vertical service code:

Displaying 14 items.

• Automatic number announcement circuit (← links)
• DTMF signaling (← links)
• Automatic callback (← links)
• Custom local area signaling service (redirect page) (← links)
  • Vero - Wikipedia:Federal Standard 1037C terms/telecommunication service terms (← links)
• Remote call forwarding (← links)
• Calling feature (redirect page) (← links)
  • ISDN (← links)
  • Automatic callback (← links)
  • Crossbar switch (← links)
  • Plain old telephone service (← links)
  • Dial tone (← links)
• Asterisk (← links)
• North American Numbering Plan (← links)
• Telephone keypad (← links)
• 411 (telephone number) (← links)
• Toll-free telephone number (← links)
• Call waiting (← links)
• Call forwarding (← links)
• Ringback number (← links)