Configuring Regional Parameters and Supplementary Services
Vertical Service Announcement Codes (Cisco SPA 300 and Cisco SPA 500 Series)
Cisco Small Business SPA 300 Series, SPA 500 Series, and WIP310 IP Phone Administration Guide 166
7
 
6) Block Caller ID
    BCT: Block caller id enabled
    BCF: Block caller id disabled
7) Distinctive Ringing
    DRT: Distinctive ringing enabled
    DRF: Distinctive ringing disabled
8) Speed Dial
    SDT: Speed dial enabled
    SDF: Speed dial disabled
9) Secure Call
    SCT: Secure call enabled
    SCF: Secure call disabled
10) Do Not Disturb 
    DDT: DND enabled
    DDF: DND disabled
11) Caller ID
    CDT: Caller ID enabled
    CDF: Caller ID disabled
12) CW CID
    WDT: CWCID enabled
    WDF: CWCID disabled
13) Block Anonymous call
    BAT: Block anonymous call enabled
    BAF: Block anonymous call disabled
Outbound Call Codec Selection Codes
Codec call selection codes affect voice quality. For more information about voice 
codecs, see the “Supported Codecs” section on page 120.
• You can choose a 
preferred
 codec for a call or 
force
 a call to use a specific 
codec.
•
Prefer G.711u (*017110)
 through 
G.729a (*01729)
—Sets the preferred 
codec for next outbound call. If the preferred codec is unavailable, the 
second, then the third preferred codec is used, if specified (see the 
“Configuring Voice Codecs” section on page 125).
• Force 
G.711u (*027110)
 through 
G.729a (*02729)
 —Forces the specified 
codec for next outbound call. If the specified codec is unavailable, the 
preferred codecs are used in order, if specified (see the “Configuring 
Voice Codecs” section on page 125).