Chapter 10 – Supplementary Services Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 83
Calling Line Identification Restriction +CLIR
Description: This command controls the Calling Line Identification restriction supplementary service.
Values: <n> Sets the line ID restriction for outgoing calls
0 Presentation indicator is used according to the subscription of the CLIR service
1 CLIR invocation
2 CLIR suppression
<m> Shows the subscriber CLIR status in the network
0 CLIR not provisioned
1 CLIR provisioned in permanent mode
2 Unknown (no network…)
3 CLIR temporary mode presentation restricted
4 CLIR temporary mode presentation allowed
Syntax: Command syntax: AT+CLIR=<n>
Response syntax: +CLIR:<n>,<m> (for AT+CLIR ?)
Command Possible responses
AT+CLIR=2
OK
Note: Command valid
AT+CLIR ?
Note: Ask for current functionality +CLIR:<n>,<m>
OK
Note: <n> and <m> as defined above
Calling Line Identification Presentation +CLIP
Description: This command controls the calling line identification presentation supplementary service. When
presentation of the CLI (Calling Line Identification) is enabled (and calling subscriber allows), +CLIP
response is returned after every RING (or +CRING) result code.
Values: <n> Parameter sets/shows the result code presentation in the TA
0 Disable
1 Enable
<m> parameter shows the subscriber CLIP service status in the network
0 CLIP not provisioned
1 CLIP provisioned
2 Unknown (no network…)
Syntax: Command syntax: AT+CLIP=<n>
Response syntax: +CLIP: <n>,<m> (as response to AT+CLIP)
+CLIP: <number>, <type>[ ,<subaddr>, <satype>, <alpha> ] (for an incoming call,
after each RING or +CRING indication)
Command Possible responses
AT+CLIP=1
Note: Enable CLIP OK
Note: CLIP is enabled
AT+CLIP?
Note: Ask for current functionality +CLIP:<n>,<m>
OK
Note: <n> and <m> defined as below
RING
Note: Incoming call
+CLIP: “0146290800”,129,1,,,”FRED”
Note: Incoming call with number and name presentation
RING
Note: Incoming call
+CLIP: “0146290800”,129,1,, “8000204212FFFF”
Note: Incoming call with number and name presentation
(UCS2 format)
AT+CLIP=0
Note: Disable CLIP presentation OK
Note: Command valid