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User’s Guide Advanced Features
2110212 Rev 1.0 Page 61
7.3.3. Registration Status
The status of the modem’s registration can be read at register +WS56 (Network Registration
Status). A value of 1 indicates the modem is registered. A value of 0 indicates that it is not
registered.
The status reported in +WPRSSI is that of the Active NEI index and may not reflect a currently
registered NEI that the modem is using.
See Section 7.2.2.4 above for details.
7.3.3.1. Registration Mode
The current setting of auto-registration is found in register +WS173. A value of 1 indicates
automatic registration is enabled, 0 indicates manual registration mode.
NOTE
It is possible to read a value of 1 indicating auto-registration is enabled while, in fact,
the modem is not registered and is not attempting to register. It is possible to detect
situations where this has happened by also reading the Registration Result Code
(+WS201). If the result code is 254 – Unregistered by user – then the modem will not
automatically attempt to register.
This situation arises when one of these events occur:
• Manually commanded to de-register (+WPDEREG).
• Manually commanded to hang-up and de-register (H1).
Manual registration can still be used while auto-registration is inactive.
The modem will resume auto-registration attempts when one of these events occur:
• Modem reset (soft or hard) or power-cycle.
• Command to force auto-registration to enabled state (+WS173=1).