The following pages link to Vertical service code:
Displayed 21 items.
- Automatic number announcement circuit (← links | edit)
- DTMF signaling (← links | edit)
- Automatic callback (← links | edit)
- Custom local area signaling service (redirect page) (← links | edit)
- Remote call forwarding (← links | edit)
- Calling feature (redirect page) (← links | edit)
- ISDN (← links | edit)
- Automatic callback (← links | edit)
- Crossbar switch (← links | edit)
- Plain old telephone service (← links | edit)
- Dial tone (← links | edit)
- Common Language Location Identification (← links | edit)
- Business telephone system (← links | edit)
- Asterisk (← links | edit)
- North American Numbering Plan (← links | edit)
- Telephone keypad (← links | edit)
- 411 (telephone number) (← links | edit)
- Toll-free telephone number (← links | edit)
- Call waiting (← links | edit)
- Call forwarding (← links | edit)
- Ringback number (← links | edit)
- VSC (← links | edit)
- 5-1-1 (← links | edit)
- Local number portability (← links | edit)
- Last-call return (← links | edit)
- List of telephony terminology (← links | edit)
- Telephone feature code (redirect page) (← links | edit)
- Last-call return (← links | edit)
- Call control (← links | edit)