Appendix A
Using SIP Supplementary Services
Calling Line Identification Restriction in the United States
Press *67 on your telephone keypad to activate CLIR. This feature is disabled when you hang up.
Calling Line Identification Restriction in Sweden
Press *31# on your telephone keypad to activate CLIR. This feature is disabled when you hang up.
OL-3410-01
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP)
Common Supplementary Services
A-7