Multitech MultiModem Cell MTCBA-C1 User's Guide Page 50

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Chapter 10 – Network Service Commands
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C) 50
Service Indication +WSRV
Description: This response indicates the SID and NID of the service provider selected for the modem as
dictated by the PRL, AT+WBND, and AT+WRMP commands.
Syntax: Response Syntax: +WSRV: <sid>, <nid>
Possible Responses
+WSRV: 69, 101
Values: <sid> <nid>
0-65536 Values of the SID and NID.
Roam Preference +WRMP
Description: The Roam Preference of a CDMA modem informs the MS whether it is allowed to roam on
foreign CDMA networks or only allow operation on home networks. The determination of what is
a foreign or home network is programmed into the PRL (Preferring Roaming List). This command
simply enables or disables the capability of the MS (mobile station) to roam, based on the PRL
configuration. If the setting is accepted by the MS, the value will be written to non-volatile memory
and persist after a power-cycle. After execution of the +WRMP command, the MS may change
roaming states. The unsolicited result +WROM: <mode> will indicate the new state.
This command may be used in conjunction with the Auto-A, Auto-B feature (Auto A/B feature is a
Verizon specific feature). If the roaming preference is set to 2 and the Auto-A, Auto-B feature flag
is enabled the modem will perform Auto-A, Auto-B system selection.
Note: Command may not be available in all software variations due to carrier requirements;
consult with your Wavecom technical representative for details.
Note: For Sprint ONLY, set mode to Home Networks Only.
Syntax: Command syntax: AT+WRMP=<mode>,<persist>
Command Possible Responses
AT+WRMP?
Note: Ask for current Mode Preference
+WRMP: 0
OK
Note: Home only
AT+WRMP=? +WRMP: (0-2),)0-1)
OK
Note: Home, Affiliated, Any
AT+WRMP=0
Note: Allow Home only networks
OK
+WROM: 0
Note: Unsolicited +WROM may or may not appear
based on current circumstances
AT+WRMP=1
Note: Allow Roaming Affiliated
Networks
OK
+WROM: 1
Note: Unsolicited +WROM may or may not appear
based on current circumstances
AT+WRMP=2
Note: Allow Roaming on Any Network
OK
+WRMP: 2
Note: Unsolicited +WROM may or may not appear
based on current circumstances
Values: The parameter values are the following ones:
<mode>
0 Home Networks only, as defined in the PRL (default value)
1 Roaming on Affiliated networks, as defined in the PRL
2 Roaming on Any Network, as defined in the PRL.
<persist>
0 Do not save to NV
1 Save to NV (default)
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