Specifications

Chapter 9 – Supplementary Service Commands
Multi-Tech Systems, Inc. AT Commands for EDGE (E1) Modems (S000474A) 141
9.10 AT+CLIR Calling Line Identification Restriction
Description: The AT+CLIR command refers to the GSM supplementary service CLIR. The settings made with
AT+CLIR=1 or AT+CLIR=2 are used for all outgoing calls until the ME is switched off or
AT+CLIR=0 is used.
Syntax: Test Command: AT+CLIR=?
Response: +CLIR: (list of supported <n>s)
OK
Read Command: AT+CLIR?
Response: +CLIR<n>, <m>
OK
ERROR
+CME ERROR: <err>
Write Command: AT+CLIR=[<n>]
Response: OK
ERROR
+CME ERROR: <err>
Parameters:
<n> Parameter shows the settings for outgoing calls:
0 Presentation indicator is used according to the subscription of the CLIR service. Default (This is a
powerup default which is not stored at power down. It is also the defaulted value if the parameter is
omitted (0 will be assumed).
1 CLIR invocation
2 CLIR suppression
<m> Parameter shows the subscriber CLIR service status in the network:
0 CLIR not provisioned
1 CLIR provisioned in permanent mode
2 Unknown (e.g., no network, etc.)
3 CLIR temporary mode presentation restricted
4 CLIR temporary mode presentation allowed
Notes:
• This command is PIN protected.
• This command is not supported in airplane mode.
9.11 AT+COLP Connected Line Identification Presentation
Description: This command refers to the GSM supplementary service COLP that enables a calling subscriber
to get the connected line identity (COL) of the called party after setting up a mobile originated
call. The command enables/disables the presentation of the COL at the TE. It has no effect on
the execution of the supplementary service COLR in the network.
Syntax: Test Command: AT+COLP=?
Response: +COLP:(list of supported <n>s)
OK
Read Command: AT+COLP?
Response: +COLP: <n>, <m>
OK
ERROR
+CME ERROR: <err>
Write Command: AT+COLP=[<n>]
Response: OK
ERROR
+CME ERROR: <err>
Unsolicited Result Code:
Call response format: +COLP: <number>, <type>
Parameters:
<n>
0 Disable - suppress unsolicited result codes
1 Enable - display unsolicited result codes