Polycom 650 IP Phone User Guide V1.0 
Useful Service Codes  
8400 Voicemail for your phone 
8500 Voicemail for any phone (requires PIN number) 
08450340499   Voicemail access from a land line or mobile phone 
08450340495   Divert all calls to this phone 
08450340496  Forward on Network Failure - Turn off from another phone  
08450340497   Forward on Network Failure - Turn on from another phone  
08450340498  Forward on Network Failure - Check status from another phone  
 
Other Codes  
1426 Divert on no answer to phone - Turn off  
1427 Divert on no answer to phone - Turn on  
1443 Divert on no answer to phone - Status  
1428 Divert on busy to phone - Turn off 
1429 Divert on busy to phone - Turn on  
1444 Divert on busy to phone - Status  
1412 Divert to predefined phone - Turn off  
1413 Divert to pre-defined phone - Turn on  
1446 Divert to pre-defined phone - Status  
1414 Divert all calls to this phone  
1449 Block anonymous calls - Turn off  
1450 Block anonymous calls - Turn on  
1445 Block anonymous calls - Status  
*56 Call Waiting - Turn on  
*57 Call Waiting - Turn off  
1408 Voice mail to e-mail - Turn off  
1409 Voice mail to e-mail - Turn on  
 
 
1400 Forward all Calls to Voicemail - Turn off  
1401 Forward all Calls to Voicemail - Turn on  
1430 Forward all Calls to Voicemail - Status 
1402 Forward on no answer to Voicemail - Turn off 
1403 Forward on no answer to Voicemail - Turn on  
1431 Forward on no answer to Voicemail - Status  
1404 Forward on busy to Voicemail - Turn off  
1405 Forward on busy to Voicemail - Turn on  
1432 Forward on busy to Voicemail - Status  
1424 Forward on Network Failure - Turn off  
1425 Forward on Network Failure - Turn on  
1442 Forward on Network Failure - Status  
1420 Forward calls in sequence - Turn off  
1421 Forward calls in sequence - Turn on  
1440 Forward calls in sequence - Status  
1422 Forward calls simultaneously - Turn off  
1423 Forward calls simultaneously - Turn on