"CLASS" codes or "VERTICAL SERVICE CODES"

Custom Local Area Signalling Services
Note this list is conforming to US standards - European countries often use different codes (a list can be found where ?) like *21 for call-forward-immediate, *61 for call-forward-on-busy and *31 for termporary-callerid-suppression

See also:

• North America (NANPA): http://www.nanpa.com/number_resource_info/vsc_assignments.html
• Europe (ETS 300 738): http://www.ficora.fi/suomi/document/GFI_9804ed3.pdf
• http://bugs.digium.com/bug_view_page.php?bug_id=0000071

ASSIGNMENTS

• 00 - Inward Voice Activated Services (English)
• 01 - Inward Voice Activated Services (French)
• 02 - Deactivation/Activation of In-Session Activation (ISA)on a per line basis
• 03 - Deactivation of In-Session Activation (ISA) on a per call basis
• 2X - Reserved for expansion to 3digit VSCs
• 228 - Over-the-Air Service Provisioning
• 272 - Access Wireless Priority Service
• 3X - Reserved for expansion to 3-digit VSCs
• 40 - Change Forward-To Number for Customer Programmable Call Forwarding Busy Line
• 41 - Six-Way Conference Calling Activation
• 42 - Change Forward-To Number for Customer Programmable Call Forwarding Don't Answer
• 43 - Drop last member of Six-Way Conference Call
• 44 - Voice Activated Dialing
• 45 - Voice Dialing Extended Dial Tone
• 46 - French Voice Activated Network Control
• 47 - Override Feature Authorization
• 48 - Override Do Not Disturb
• 49 - Long Distance Signal
• 50 - Voice Activated Network Control
• 51 - Who Called Me?
• 52 - Single Line Variety Package (SVP) - Call Hold
• 53 - Single Line Variety Package (SVP) - Distinctive Ring B
• 54 - Single Line Variety Package (SVP) - Distinctive Ring C
• 55 - Single Line Variety Package (SVP) - Distinctive Ring D
• 56 - Change Forward-To Number for ISDN Call Forwarding
• 57 - Customer Originated Trace
• 58 - ISDN MBKS Manual Exclusion Activation
• 59 - ISDN MBKS Manual Exclusion Deactivation
• 60 - Selective Call Rejection Activation
• 61 - Distinctive Ringing/Call Waiting Activation
• 62 - Selective Call Waiting
• 63 - Selective Call Forwarding Activation
• 64 - Selective Call Acceptance Activation
• 65 - Calling Number Delivery Activation
• 66 - Automatic Callback Activation
• 67 - Calling Number Delivery Blocking
• 68 - Call Forwarding Busy Line/Don't Answer Activation
• 69 - Automatic Recall Activation
• 70 - Cancel Call Waiting
• 71 - Usage Sensitive Three-way Calling
• 72 - Call Forwarding Activation
• 73 - Call Forwarding Deactivation
• 74 - Speed Calling 8 - Change List
• 75 - Speed Calling 30 - Change List
• 76 - Advanced Call Waiting Deluxe
• 77 - Anonymous Call Rejection Activation
• 78 - Do Not Disturb Activation
• 79 - Do Not Disturb Deactivation
• 80 - Selective Call Rejection Deactivation
• 81 - Distinctive Ringing/Call Waiting Deactivation
• 82 - Line Blocking Deactivation
• 83 - Selective Call Forwarding Deactivation
• 84 - Selective Call Acceptance Deactivation
• 85 - Calling Number Delivery Deactivation
• 86 - Automatic Callback Deactivation
• 87 - Anonymous Call Rejection Deactivation
• 88 - Call Forwarding Busy Line/Don't Answer Deactivation
• 89 - Automatic Recall Deactivation
• 90 - Customer Programmable Call Forwarding Busy Line Activation
• 91 - Customer Programmable Call Forwarding Busy Line Deactivation
• 92 - Customer Programmable Call Forwarding Don't Answer Activation
• 93 - Customer Programmable Call Forwarding Don't Answer Deactivation
• 94 - Reserved For Local Assignment
• 95 - Reserved For Local Assignment
• 96 - Reserved For Local Assignment
• 97 - Reserved For Local Assignment
• 98 - Reserved For Local Assignment
• 99 - Reserved For Local Assignment

See also

• Asterisk PBX functions
• PBX Features

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