Out of the box RingRoost has a number of default codes that are used for special call functionality. These will work any SIP phone registered with RingRoost. See how to setup a SIP phone/PBX here: https://www.ringroost.com/how-to-setup-a-pbx.php
| Feature | Code | Usage Notes |
|---|---|---|
| Voicemail Setup | *00 | From SIP Phone |
| Check Voicemail | *98 | From SIP Phone |
| Last Call Return | *69 | From SIP Phone |
| Intercom (Auto Answer) | *07 | From SIP Phone dial *07 (plus extension to reach). Requires setup, see here |
| Blind Transfer | #1 | In Call Only |
| Attended Transfer | *2 | In Call Only |
| Send to Hold | *3 | In Call Only |